Mec PM-798-A User manual

MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 1
TDSP BV
Fabriekstraat 34
7005 AR Doetinchem
THE NETHERLANDS
Phone [phone]
Fax [phone]
This material may not in whole or part be copied, stored electronically, or communicated to third
parties without prior agreement in writing from Thermo Dynamic Solution Provider BV.
Owned by .......................................................
Prepared by.................................. B. Westerdijk
Reviewed by....................................................
Approved by ....................................................
.....................................................................
.....................................................................
Date…… 9 April 2021
MEC-PM-798-A
MEC Starter Kit Manual

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 2
CONTENTS
1Revision History...................................................................................................................................................3
1.1 Abbreviations ....................................................................................................................................................3
2Introduction..........................................................................................................................................................4
3Installation............................................................................................................................................................5
4Stirling Engine electrical connections ................................................................................................................7
5Controls box Electrical Connections ..................................................................................................................8
5.1 Controls Box connections shown in fig.5.1 explained.......................................................................................9
5.1.1 Absorber Over-Travel Switches ..............................................................................................................9
5.1.2 Coolant in- and outlet thermistors............................................................................................................9
5.1.3 RS485 Communications interface .........................................................................................................10
5.1.4 Head Thermocouples.............................................................................................................................10
5.1.5 Flow Meter.............................................................................................................................................10
5.1.6 Mains Power ..........................................................................................................................................11
5.1.7 Cooled Seal and Inner Iron Protection Thermostats ..............................................................................11
5.1.8 Grounding..............................................................................................................................................11
5.1.9 Engine Power.........................................................................................................................................11
5.2 Controls Box functions explained....................................................................................................................11
5.2.1 Demand On/Off button and Heat Source Enable Indicator....................................................................11
5.2.2 Emergency Stop Button.........................................................................................................................12
5.2.3 User Reset Button..................................................................................................................................12
5.2.4 Mains On/Off Switch.............................................................................................................................12
5.2.5 Engine Running Indicator......................................................................................................................12
6Outline of Operating Sequence.........................................................................................................................13
7Errors..................................................................................................................................................................14
7.1 Error Code List ...............................................................................................................................................14
7.2 Clearing Errors...............................................................................................................................................15
7.2.1 Automatic Reset.....................................................................................................................................15
7.2.2 User Reset..............................................................................................................................................15
7.3 Troubleshooting an error................................................................................................................................16
8Diagnostics..........................................................................................................................................................17
8.1 Engine Control States......................................................................................................................................17
9Engine Specification, Connections and Operation..........................................................................................17
Appendix A LCD Data Monitor –User Manual................................................................................................18
Appendix B Error list ..........................................................................................................................................20

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 3
1REVISION HISTORY
Version
Name
Date
Comments
A
B. Westerdijk
9 April 2021
Change document name & number
(from TM-744)
Cover all engine-types
Update for Control Box with LCD
1.1 Abbreviations
AC Alternating Current
BC (Hardware) Blocking Chain
DC Direct Current
LCD Liquid Cristal Display
MEC Microgen Engine Corporation (brand)
PCBA Printed Circuit Board Assembly
SW SoftWare
TDSP Thermo Dynamic Solution Provider B.V.
USA United States of America
VI Voltage and current(I) (monitoring)
WCS Water Cooled Seal

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 4
2INTRODUCTION
TDSP provides MEC Starter Kits that make the first-time integration of a Stirling Engine
in a customer’s Application quite easy. A Starter Kit consists of a Stirling Engine, a
Controls Box, and several other parts, as indicated on the provided quotation
document. The Control Box is prewired to connect to the Engine and its provided
internal and externally mounted sensors. This document provides information on
connecting the Box to a heating system with a Stirling Engine. Also, information about
how to run, control and troubleshoot such a system, is provided.
TDSP can provide Stirling Engines with the following Engine-head variants:
Figure 2.1 Available Engine-head-type options
The Biomass and Solar Engines weigh around 60 kg, and around 70kg when packaged
and should be lifted and handled in accordance with any local handling requirements.
A Gas Engine weighs 10kg less.
Ceramic collar: to prevent excessive heat loss from the burner it is necessary to
provide thermal insulation between the heated area and the burner seal plate. This
function is provided by the ceramic collars that are mounted on all MEC Stirling
Engines.
CAUTION:Once the engine has been fired, the ceramic collars are potentially
hazardous. See the Engine manual PS-V1-01 for details.
Round Biomass
Head
Bullet Biomass
Head
Diamond
Biomass Head
Solar Head
Finned Gas
Head

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 5
3INSTALLATION
To be able to operate and generate electrical power, the Stirling Engine must be
heated, cooled, and connected to an electrical AC-grid. This can be the local available
230VAC 50Hz or the 240VAC 60Hz single-phase state- or national-grid, or a locally
generated 230V-50Hz/240V-60Hz single-phase AC-grid provided from a bi-directional
inverter-charger set-up with batteries. Specifically, related to split-phase systems as
available in e.g., the USA, to receive proper powering, the Engine must be connected
across the two hot wires.
PLEASE NOTE: the MEC Stirling Engine can only act as a “grid-slave”, it is not able
act as a “grid-master”, as a stand-alone generator.
An overview of a typical Engine installation is shown in fig. 3.1 on the next page.
The mechanical aspects related to the installation are:
-Heating of the Engine-head and heat-protection of the rest of the Engine and
Application: the application of heat must be limited to the Engine-head only. As
an option, the heating of the head should be mechanically regulated, to avoid
overheating, or be completely removed in an emergency-stop-situation.
-The coolant-flow: the engine must be cooled sufficiently. The connections to
the engine must be made through flexible hoses and the burner seal plate (when
used) can be sealed via a flexible connection such as a polymer seal (note:
there may be a temperature protection requirement).
-Mounting of the Engine: it can be mounted standing or hanging (option: up-
side-down). Horizontal mounting or mounting under any angle is also possible.
A bracket must be used to minimize vibrations. Approved mounting materials
are available via TDSP.
The electrical part of the installation and the use of the provided Controls Box is
described in detail in Chapters 4 and 5.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 6
Figure 3.1 Engine Installation Schematic
The Stirling Engine comes with the following built-in sensors:
-K-type thermocouple for measuring the head-temperature, 2 pcs
-Inner-iron thermostat, 1 pc
-Over-travel switch, 2 pcs
-Water-Cooled Seal thermostat, 2 pcs
The following sensors are provided separately or connected to the Control Box wiring:
-Coolant flow temperature sensors for pipe-mounting, 2 pcs
-Coolant flow meter, 1 pc
-Ambient temperature sensor (inside the Controls Box)
Biomass and Solar
Gas and Biomass

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 7
4STIRLING ENGINE ELECTRICAL CONNECTIONS
A simple schematic of the electrical connections to the Stirling Engine is shown below:
DAOT
DAOT
TC1 TC2
ENG L
ENG N
WCS
WCS
STAT
STAT
Heater
Head
IGN+
IGN-
FLAME
Figure 4.1 Engine electrical connections
TC1, TC2 : Engine head thermocouples connections,
ENG L, N : Engine AC power cable connections, locking-type connectors are
required,
IGN +, - : Ignition probe connections, IGN - must be connected to GND,
DAOT : Dynamic Absorber Over-Travel switch connections,
WCS, STAT : Water Cooled Seal (mounted on the engine plate), Inner Engine
thermostat connections,
FLAME : Flame detection (ionization) probe connection.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 8
5CONTROLS BOX ELECTRICAL CONNECTIONS
The Controls Box comes with the following cables/wires and connectors:
Figure 5.1 Control Box electrical connections
•The mains power connection must be hard-wired in accordance with local
regulations.
•The ambient temperature thermistor is located inside the enclosure.
Flow Meter
Connector
USB to
RS485
Engine
Power
Engine
GND
Coolant Inlet
Thermistor
Engine Over-
travel Switches
Head
Thermocouples
Mains Power *
Coolant Outlet
Thermistor
Cooled seal stats
Inner iron stat

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 9
The front panel of the Controls Box has the following indicators and buttons:
1. User Reset button
2. Emergency Stop button
3. Demand on/off switch
4. LCD
5. Heat Enable Signal active indicator
6. Mains On/Off switch/isolator
7. Engine Running indicator
Figure 5.2 Control Box front panel
On this inside of the Box, the following parts can be seen:
1. Terminal block connectors
2. Engine Capacitor
3. Raspberry Pi and LCD
4. MEC Engine Control board
5. Start and Stop resistors
6. Ambient thermistor
7. 24V/5V PSU (Power supply)
Figure 5.3 Control Box internals
5.1 Controls Box connections shown in fig.5.1 explained
5.1.1 Absorber Over-Travel Switches
Connect the four connectors present on this cable onto the two Absorber Over-Travel
switches that are incorporated into the Engine: when the Engine over-travels this will
be detected immediately, and the Engine will be emergency-stopped.
5.1.2 Coolant in- and outlet thermistors
The coolant temperature sensors are already connected onto the cable, the clips fit
onto a pipe with and outer diameter of 22mm.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 10
5.1.3 RS485 Communications interface
This cable is provided to enable the use of the STIRLING ENGINE DATA VIEWER
software:
Figure 5.4 STRILING ENGINE DATA VIEWER
For details, please consult the Data Viewer User Manual MEC-WI-584.
Additionally, via the RS485 communication-bus, data can be provided to your
Application which can be used to help control the heat source in running the Engine
optimally and safe. Please contact TDSP for more information.
5.1.4 Head Thermocouples
Connect these two cables with connector to the two mating connectors of the two K-
type thermocouples that are incorporated into the engine head. The values provided
by these thermocouples are used as part of the Engine control and protection
algorithms.
5.1.5 Flow Meter
Connect this cable with connector to the provided HUBA 200.915101N (DN15) vortex
flow sensor, this sensor must be used to allow for measuring the coolant flow-rate.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 11
5.1.6 Mains Power
Connect this cable with connector to a 230/240VAC power socket or remove the
connector and connect the wires to the AC-out connector of an off-grid grid-building
inverter-charger-battery system.
5.1.7 Cooled Seal and Inner Iron Protection Thermostats
Connect this cable with 6-way Molex connector to the matching connector on the
Engine.
The inner Iron and cooled seal thermostats are not always used and may be linked
out.
The Water Cooled Seal protection thermostats are, when present, located on the
bottom of the engine burner seal plate. These thermostats will inhibit engine-operation
when the temperature of the engine seal plate becomes too high.
The Inner iron thermostat is mounted inside the engine, it will inhibit engine-operation
when the internal temperature becomes too high.
5.1.8 Grounding
The Engine must be grounded, connect the provided Green/Yellow insulated wire with
ring to the engine flange using an M6 x 12 bolt and a star washer.
Figure 5.5 Engine Protective GND Connection
5.1.9 Engine Power
Connect the cable with the self-locking FASTON-connectors to the Engine Power cable.
5.2 Controls Box functions explained
5.2.1 Demand On/Off button and Heat Source Enable Indicator
The Demand input to the MEC Engine Control board is, as a default, provided via a
mechanical on/off switch, providing ON-OFF operation of the system with Stirling
Engine. The Heat Source Enable-switch on the Engine Control board is, as a default,
hard wired to the yellow Heat Source Enable indicator light.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 12
To automate the operation of the Engine as part of your Application, it is strongly
recommended to route the control of the heat-source in your Application via the MEC
Engine Control Board. By doing this the Engine will be able to operate optimally and
safe. Please contact TDSP for more information when you are interested in this feature.
5.2.2 Emergency Stop Button
The Emergency Stop button/switch can be used to perform an emergency-stop of the
Engine. Use only when absolutely needed, in case of an emergency!
5.2.3 User Reset Button
The User Reset button/switch can be used to perform a reset, see chapter 7.2 for more
information.
5.2.4 Mains On/Off Switch
The Mains On/Off switch can be used to switch the Control Box on and off. Do not turn
the switch to the off-position when the Stirling Engine is on operation, this will
emergency-stop the Engine.
5.2.5 Engine Running Indicator
The green Engine Running indicator will light when the Stirling is in operation.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 13
6OUTLINE OF OPERATING SEQUENCE
[1]Once correctly assembled, plug the power-cable into a 230/240VAC power-
socket (powered from the national grid) or connect it to the AC-out-port of a
grid-building inverter-charger-battery system. Power on the Engine-system via
the Mains On/Off-switch on the front panel of the Control Box.
[2]When the LCD is present on the Control Box, wait for the LCD to display the
systems status. This can take up to 90 seconds.
When the LCD is not present, it is strongly recommended to have the STIRLING
DATA VIEWER in operation and the laptop/computer it runs on connected to the
Controls Box*.
[3]Turn the Demand switch to position “1” on the front panel of the Control Box.
[4]When no errors are showing on the LCD/DATA VIEWER or on the Engine Control
board** the Heat Source Enable indicator will light***. This indicator lighting
up means that it is OK to start heating the Engine-head.
[5]Once the head has heated to about 180°C (gas) / 220°C (biomass/solar), the
Engine Control board will grid-connect and start the Engine.
[6]When a fault or an issue occurs, the Engine Control board will turn off the Heat
Source Enable indicator and depending on the nature of the fault will emergency
stop the engine within 100ms or will allow the engine to run down to zero power,
then automatically disconnect the Engine from the grid, a normal stop. Please
make sure to quickly stop the heating of the head when this happens!
[7]Pressing the User Reset button for 2 seconds will reset errors on the Engine
Control board which require a manual reset. Please use it with care, only push
this button when indicated in the Maintenance Message-field on the LCD/DATA
VIEWER.
[8]A normal shutdown of the system is initiated by first stopping the heating of the
head and switching the Demand switch to position “0”. The Engine Control board
will allow the engine to run down, cool off and be ready to start again. A hot
engine cannot be restarted until the head temperatures are below the grid
connection temperature (< 170/210°C).
[9]In case manual movement or servicing of the Engine is required, it can be
performed, once the Engine-head temperature has dropped below 50°C.
*The RS485 communication-link can be used to display and log the Engine
system parameters and functions via the MEC Data Viewer software. This
Viewer shows the system’s status, engine power and head temperature data,
which can assist in the manual control of the heat source.
** On error or fault, a small red light will show on the Engine Control board
and an error (with code) will be displayed on the LCD/DATA VIEWER.
*** It is recommended to hard-wire the heat source enable signal to control
the heat source, see chapter 5.2.1.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 14
7ERRORS
7.1 Error Code List
Code
Description
AR
UR
NStop
EStop
10
Inlet temperature sensor short-circuit
x
x
11
Inlet temperature sensor open-circuit
x
x
12
Outlet temperature sensor short-circuit
x
13
Outlet temperature sensor open-circuit
x
14
Backend temperature sensor short-circuit
x
15
Backend temperature sensor open-circuit
x
16
Ambient temperature sensor short-circuit
x
17
Ambient temperature sensor open-circuit
x
18
PCBA under- or over-temperature
x
x
101
Configuration error
x
x
301
Inner iron over-temperature
x
x
303
Dynamic absorber over-travel
x
x
304
Grid protection
x
x
306
Alternator overload
x
x
309
VI protection trip
x
x
310
Head over-temperature HW
x
x
311
Head under-temperature HW
x
x
312
WCS thermostat trip
x
x
325
Unidentified BC trip
x
x
404
Head under-temperature SW
x
x
405
Head over-temperature SW
x
x
406
Head temperature measurement discrepancy
x
x
407
Control thermocouple failure
x
x
408
Limit thermocouple failure
x
x
411
Under-current
x
x
414
Resistor integrity check failure
x
x
415
24 VDC power supply failure
x
x
420
Control thermocouple open-circuit
x
x
421
Limit thermocouple open-circuit
x
x
422
Control thermocouple integrity check failure
x
x
423
Limit thermocouple integrity check failure
x
x
424
Coolant over-temperature
x
x
425
Coolant under-temperature
x
x
Key: AR = Automatic reset, UR = User Reset
NStop = Normal stop (i.e. Heat source disabled)
EStop = Emergency-stop (i.e. Heat source disabled and engine stopped)

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 15
Code
Description
AR
UR
NStop
EStop
501
Power meter comms checksum failure
x
x
502
Power meter comms timeout
x
x
504
VI protection reset
x
x
505
VI protection under-voltage trip
x
x
506
VI protection under-voltage trip
x
x
507
VI protection under-voltage trip
x
x
508
VI protection over-voltage trip
x
x
509
VI protection over-voltage trip
x
x
510
VI protection over-voltage trip
x
x
511
VI protection under-frequency trip
x
x
512
VI protection over-frequency trip
x
x
513
VI protection short-circuit trip
x
x
514
VI protection trip
x
x
603
Low coolant flow rate
x
x
604
Ambient over-temperature
x
x
605
Reset switch fault
x
x
610
Zero coolant flow rate
x
x
Key: AR = Automatic reset, UR = User Reset
NStop = Normal stop (i.e. Heat source disabled)
EStop = Emergency-stop (i.e. Heat source disabled and engine stopped)
7.2 Clearing Errors
There are two levels of error severity.
Severity Level
Reset Method
1
Automatic reset
2
User Reset
7.2.1 Automatic Reset
Errors that are less severe will be reset automatically. Normally, no manual
intervention is required for this type of error conditions. However, in some cases
manual intervention may be required. For instance, in the case of a faulty sensor, the
error condition will reset automatically but only after the sensor has been
repaired/replaced.
7.2.2 User Reset
When a more serious error occurs, faults that could lead to engine damage, a
physical/electrical check and repair-action might be required. Such errors can only be
cleared by a User Reset. A User Reset can be performed by closing a normally-open

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 16
volt-free contact for minimum of 1 to maximum 6 seconds. A switch, directly available
to the user, can be mounted in/on the Application. Alternatively, the User Reset can
be handled via the external communications interface.
7.3 Troubleshooting an error
Please see Appendix B to troubleshoot errors.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 17
8DIAGNOSTICS
8.1 Engine Control States
The current operating state of the engine is available via the RS485-bus for diagnostic
purposes.
State
Number
State Name
State Description
0
Stopped
Engine stopped. Waiting for demand or fault reset.
1
Head
Waiting for head temperature to reach grid connection
temperature.
2
Mains
Grid connection in progress.
3
Bypass
Bypassing start resistors.
4
Mains Close
Disconnect start resistors from circuit.
5
Running
Engine running directly grid connected.
6
Overrun
Engine stopped and waiting for the head temperature
to cool down. Heat source disabled.
7
Shutdown
Heat source disabled. Engine running down, waiting for
the engine to stop normal.
8
Emergency
Engine emergency-stopped. Heat source disabled.
9ENGINE SPECIFICATION, CONNECTIONS AND OPERATION
Head Temperature 525°C continuous, 565°C max.
Nominal Power output 1000W (model dependent)
Coolant Flow 4-7 l/min short term, > 7 l/min continuous
Coolant Circuit pressure 1.8 Bar min. to 3 Bar max.
Maximum coolant Inlet temperature 70-75°C short term, < 70°C continuous
Minimum coolant temperature 6°C, contact TDSP for starting at lower temps

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 18
APPENDIX A LCD DATA MONITOR –USER MANUAL
Operating Instructions
The LCD Data Monitor device will automatically power up at power-on of the Controls
Box. It can take up to 90 seconds before the screen is available and is showing data.
On the screen, in the bottom-area there are 3 buttons, see figure B.1. The left
button is the Home-button, showing the status of the Stirling Engine and the various
sensors, of the burner (when the heat source running input is connected), and of the
control system input (Demand).
The middle button is the Data-button, the corresponding screen shows various
detailed sensor- and system-data.
The right button is the Info-button, the corresponding screen shows various info,
including the firmware-versions stored in the EC2 board flash memories.
When an error occurs, there will be a red bar at the top of the screen with text
describing the error. When an error has occurred and has automatically been
resolved, there will be an orange bar showing “Last Error:” followed by the error-
text. Both bars can be removed from the screen by pressing the Bin-icon on the
right end of the bar. Please note: the red bar will reappear until the root-cause of
the error has been removed.
The screen will turn off after some time, when not used. Touch the screen once to
wake it up.
NOTE: under certain conditions there can be an error shown on the LCD: “No USB
connected” while the internal USB-cable is connected. When this happens, please
open the Controls Box, while powered on, careful, high voltage on some parts,
and pull out the internal USB-cable connected to the LCD Data Monitor (Raspberry
Pi), wait a few seconds, and push it back in. Next, power off the Control Box, wait
for about 10 seconds and power it on again. This should resolve the error. When this
does not work, please contact TDSP BV for assistance.
Wi-Fi Access
The LCD Data Monitor device in its default state is set up as a Wi-Fi Access Point
(AP) with the SSID: “MEC_Starter_Kit”.
Connect to this Wi-Fi AP with your device with wireless capabilities: a computer,
laptop, tablet, mobile phone, etc.
Please request the Wi-Fi password from your contact at TDSP.
When your device is connected to the AP, open a web browser and browse to
http://microgen/ (non-Apple devices), http://microgen.local/ (Apple devices), or if
that doesn’t work to http://10.0.0.5/

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 19
You should now see the default page:
Figure B.1: Data Monitor default webpage
The additional pages can be accessed via the additional 2 buttons at the bottom of
the screen.
Connect the LCD Data Monitor device to the local Wi-Fi network:
Connect your wireless capable device with a keyboard (physical or on-screen) to the
AP as described above. DO NOT perform this task on the LCD-screen of the Data
Monitor device.
Press the MICROGEN-logo 4 times, press the WIFI SETUP button.
A window will appear showing the available Wi-Fi APs (press the refresh button when
needed).
A password-entry window will appear, enter the password, and press the SUBMIT-
button. Now wait until a second message-window will appear. Read the message and
press the OK button. All Wi-Fi-setup-related windows will close automatically, and
your wireless capable device should automatically reconnect to the default local Wi-
Fi AP.
Next, open a web browser on any device in your network and browse to
http://microgen/ (non-Apple devices), http://microgen.local/ (Apple devices), or if
that doesn’t work to http://10.0.0.5/
You should now see the default page, see figure B.1.
NOTE: if anything goes wrong during the above-described process, or when you
change the password of the local Wi-Fi AP, the LCD Data Monitor device will
automatically return to its default state, providing the Wi-Fi AP with the SSID:
“MEC_Starter_Kit”.

COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 20
APPENDIX B ERROR LIST
Fault
Code
Description
Potential Causes
Actions to Take
Lockout/Reset
Action
10
Coolant inlet
temperature
sensor short-
circuit
Coolant inlet
temperature sensor
short-circuit.
Check coolant inlet sensor.
Check the wiring between the coolant inlet sensor
and the control system.
Check sensor is fitted correctly.
Sensor should be 10K NTC thermistor.
Sensor connection to PCB:
J12:13 (REFERENCE)
J12:14 (SIGNAL)
Normal Shutdown,
Automatic Reset
(5 seconds)
11
Coolant inlet
temperature
sensor open-
circuit
Coolant inlet
temperature sensor
open-circuit.
Check coolant inlet sensor.
Check the wiring between the coolant inlet sensor
and the control system.
Check sensor is fitted correctly.
Sensor should be 10K NTC thermistor.
Sensor connection to PCB:
J12:13 (REFERENCE)
J12:14 (SIGNAL)
Normal Shutdown,
Automatic Reset
(5 seconds)
12
Coolant outlet
temperature
sensor short-
circuit
Coolant outlet
temperature sensor
short-circuit.
Check coolant outlet sensor.
Check the wiring between the coolant outlet
sensor and the control system.
Check sensor is fitted correctly.
Sensor should be 10K NTC thermistor.
Sensor connection to PCB:
J12:15 (REFERENCE)
J12:16 (SIGNAL)
No action, Reported
only
13
Coolant outlet
temperature
sensor open-
circuit
Coolant outlet
temperature sensor
open-circuit.
Check coolant outlet sensor.
Check the wiring between the coolant outlet
sensor and the control system.
Check sensor is fitted correctly.
Sensor should be 10K NTC thermistor.
Sensor connection to PCB:
J12:15 (REFERENCE)
J12:16 (SIGNAL)
No action, Reported
only
14
Back end
temperature
sensor short-
circuit
Back end
temperature sensor
short-circuit.
Check back end sensor.
Check the wiring between the back end sensor
and the control system.
Check sensor is fitted correctly.
Sensor should be 10K NTC thermistor.
Sensor connection to PCB:
J12:17 (REFERENCE)
J12:18 (SIGNAL)
No action, Reported
only
15
Back end
temperature
sensor open-
circuit
Back end
temperature sensor
open-circuit.
Check back end sensor.
Check the wiring between the back end sensor
and the control system.
Check sensor is fitted correctly.
Sensor should be 10K NTC thermistor.
Sensor connection to PCB:
J12:17 (REFERENCE)
J12:18 (SIGNAL)
No action, Reported
only