Graco 24N468 User manual

3A2960G
EN
Instructions
GLC 2200 
Lubrication Controller
For controlling and monitoring an automated lubrication system. For professional use
only.
Not approved for use in explosive atmospheres or hazardous (classified) locations. .
Model: 24N468
Important Safety Instructions
Read all warnings and instructions in this
manual before using the equipment. Save
these instructions.

Table of Contents
23A2960G
Table of Contents
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Component Identification . . . . . . . . . . . . . . . . . . . . . . 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . 5
Installing the Lubrication Controller . . . . . . . . . . . 6
System Configuration and Wiring . . . . . . . . . . . . 6
System Configuration. . . . . . . . . . . . . . . . . . . . . . 7
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 10
Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Entering SETUP MODE . . . . . . . . . . . . . . . . . . . 13
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Series F and Later . . . . . . . . . . . . . . . . . . . . . . . 19
Alarm Operation. . . . . . . . . . . . . . . . . . . . . . . . . 19
Advanced Programming 
(Series E or later models only). . . . . . . . . . . . . . 21
Series F and Later . . . . . . . . . . . . . . . . . . . . . . . 22
End of Product Life . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Program Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Related Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . 27
California Proposition 65 . . . . . . . . . . . . . . . . . . . . . 27
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mounting Hole Layout. . . . . . . . . . . . . . . . . . . . . . . . 28
Graco Standard Warranty. . . . . . . . . . . . . . . . . . . . . 29

Warnings
3A2960G 3
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The
exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks.
When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.
Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this
manual where applicable.
WARNING
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated system
component. See Technical Specifications in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical
Specifications in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For
complete information about your material, request Safety Data Sheets (SDSs) from distributor or
retailer.
• Turn off all equipment and follow the Pressure Relief Procedure in the pump manual when
equipment is not in use.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine
manufacturer’s replacement parts only.
• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create
safety hazards.
• Make sure all equipment is rated and approved for the environment in which you are using it.
• Use equipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the work area to help prevent serious injury, including
eye injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not
limited to:
• Protective eyewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

Component Identification
43A2960G
Component Identification
B
A
ON OFF
HH MM SS ##
!
C
D
E
F
G
H
J
Keypad, Display, and Icons
Pump ON LEDs (A, B, C)
Pump OFF LED (D)
• In RUN MODE this LED illuminates when in the
OFF or RESET portion of the RUN CYCLE.
Display (E)
• A blinking field on the display indicates that the
controller is in SETUP MODE.
• In RUN MODE the numbers on the display will not
blink.
Alarm LED (F)
• Illuminates when any alarm is detected. When an
alarm is active, an error code displays and an
audible alarm also sounds.
RIGHT Direction Arrow/ MANUAL RUN /
ENTER (G)
• In SETUP MODE: saves entry, moves cursor in
display one field to the right or to the next setup
step.
• In RUN MODE: activates the pump for one complete
ON cycle if actuated during the OFF portion of the
RUN cycle.
UP and DOWN Direction Arrows (H)
• Press and hold both the UP and DOWN arrow keys
together for 3 seconds to enter SETUP MODE.
• In SETUP MODE: increases or decreases the
number values associated with the various RUN
MODES.
LEFT Direction Arrow / RESET (J)
• In SETUP MODE: moves cursor in display one field
to the left.
• In RUN MODE: pressing RESET starts a PUMP
OFF cycle.
• In ALARM MODE: press once to clear buzzer, press
and hold for 3 seconds to clear warning and switch
controller to OFF MODE.
NOTICE
To prevent damage to soft key buttons, do not press
the buttons with sharp objects such as pens, plastic
cards, or fingernails.
FIG. 1
APressure Control LED: In RUN MODE illuminates
indicating function mode that is currently running.
BCycle Control LED: In RUN MODE illuminates
indicating function mode that is currently running.
CTime Control LED: In RUN MODE illuminates
indicating function mode that is currently running.

Installation
3A2960G 5
Installation
Typical Installation
The installation shown in FIG. 2 is only a guide for selecting and installing system components. Contact your Graco
distributor for assistance in planning a system to suit your needs.
Key:
A Main Air Supply Line
B Filter/Regulator/Lubrication Assembly
B1 Air Filter
B2 Regulator
B3 Lubricator
C Air Solenoid Valve
D Pump Module
E Ignition Switch
F High-Pressure Lubricant Supply Lines
G Injector Banks
H Lubrication Controller
J In-line Fuse
K Power Source
FIG. 2: Typical Installation
Controller
Capabilities
Low Reservoir Level
switch (user provided)
Pressure or Cycle Switch
for system control
(user provided)
Remote Alarm Device
i.e. light or horn
(user provided)

Installation
63A2960G
Installing the Lubrication
Controller
A
1. Select a flat surface to install the Lubrication
Controller. Drill mounting holes. See Mounting
Hole Layout, page 28.
2. Align the junction box with the pre-drilled holes (FIG.
3).
System Configuration and
Wiring
The System Configuration Diagrams (Fig 4 - 6),
Sensor Wiring Diagrams (Fig 8 - 9), and Wiring
Diagram (Fig 7) show typical Injector, Series
Progressive and Dual Line lubrication system
configurations.
Refer to Table 1, 2, and 3 to determine the Required
System Configuration, Sensor Configuration, and Wiring
Diagram to use to set up the system.
Table 1: System Configurations
Table 2: Sensor Wiring Configurations
Table 3: Modes of Operation
Automatic System Activation Hazard
Unexpected activation of the lubrication system could
result in serious injury, including skin injection and
amputation. This device has an automatic timer that
activates the lubrication system pump when power is
connected or when exiting the programming function.
Before you install or remove the Lubrication Controller
from the system, disconnect and isolate all power to
the pump, and relieve all pressure.
FIG. 3
System Figure Page
Injector 4 6
Series Progressive 5 7
Dual Line 6 8
System Figure Page
Dry Contact 7 10
Source Switch 8 10
Mode Power Figure Page
Time ON/Time OFF DC 9 10
Cycle ON or Pressure
ON/Time OFF
DC 9 10
Low Level Switch 910

Installation
3A2960G 7
System Configuration
FIG. 4: Injector System
GLC 2200
Low Level
Switch
Pump &
Reservoir
Injector System
Pressure
Switch
Injectors
Lubrication Points
Vent
Line
Pump On/Off
External
Alarm
Vent
Valve

Installation
83A2960G
FIG. 5: Divider Valve System
GLC 2200
Low Level
Switch
Pump &
Reservoir
Master Divider Valve
Secondary Divider Valves
Cycle
Switch
Divider Valve System
Pump On/Off
External
Alarm

Installation
3A2960G 9
FIG. 6: Dual Line System
GLC 2200
External
Alarm
Low Level
Switch
Pump &
Reservoir
Dual Line System
Cycle
Switch
Bi-flo
Valves
Lubrication Points
Vent
Line
Pump On/Off
Reservoir

Installation
10 3A2960G
Wiring Diagram
Modes of Operation: Optional I/O Wiring Diagram
Used with all modes of GLC2200 Operation
*
1 2 3 4 5
6 7 8 9 10
M
9A Fuse
+
-
V
*Normally open vent valve for use with Injector-based systems
Wiring Key
9A 2A
P/C +9V
+30V
Connector Identification Label
FIG. 7
Pin Description +/-
1Pump -
2Alarm -
3 Low Level -
4 Pressure/Cycle Switch -
5 Voltage Input -
6Pump +
7Alarm +
8 Low Level +
9 Pressure/Cycle Switch +
10 Voltage Input +
PIN12345
PIN678910

Installation
3A2960G 11
Sensor Wiring
DRY CONTACT SWITCH Configuration
4
9
GLC 2200
SOURCE SWITCH - 2 or 3 Wire Type Configuration
4
+VDC
-VDC
GLC 2200
FIG. 8
FIG. 9

Installation
12 3A2960G
FIG. 10

Setup
3A2960G 13
Setup
Entering SETUP MODE
Press both the UP and DOWN arrow buttons together
for three seconds.
NOTE:
• If a button is not pushed for one (1) minute, the
controller returns to the start of an OFF cycle.
• Setting changes are not stored unless programming
is completed and SETUP MODE is exited normally
by pressing the ENTER button.
• A blinking dot below the HH, MM, SS, or ##
indicates the field currently being programmed.
PIN Code (Series E or later models only)
NOTE:If, after entering SETUP MODE, four zeros are
displayed, the unit has a PIN Code lockout enabled. See
Entering a PIN Code to Access SETUP MODE for
instructions on entering a value.
Entering a PIN Code to Access SETUP MODE
The controller does not require a PIN code to access the
programming features of the unit. However, to protect
the program settings, an option for adding PIN Code
authorization is available. The instructions for setting a
PIN Code are provided in the Advanced Programming
section of this manual. See page 21.
To enter the PIN Code:
1. Press both the UP and DOWN arrow
buttons for 3 seconds.
2. Four zeros appear on
the display, indicating
the system requires a
PIN Code to access
the SETUP MODE.
3. The cursor automatically positions to
enter the first character of the PIN Code.
Use the UP and DOWN arrow buttons to
move up and down through the numbers
0-9 until the first number in the PIN code
is displayed in the field.
4. Press the ENTER (right arrow) button
to set the number. The cursor
automatically moves to the next
number field.
5. Repeat steps 3 and 4 for each PIN Code prompt
field.
If the PIN Code entered is correct, the unit enters
SETUP MODE.
6. Press the ENTER (right arrow) button
to set the number. The cursor
automatically moves to the next
number field.

NOTE:A blinking field on the display indicates the
unit is in SETUP MODE. In RUN MODE the
numbers on the display will not blink.
If the PIN Code is entered incorrectly, the unit displays
“Eror” and will do a power cycle.

Setup
14 3A2960G
Programming ON Duration
on:Pr, on:CY or on:ti appears on the display identifying
the function being programmed (see below).
The LED illuminates below the related symbol on the
controller to indicate the active function.

NOTE:Selection on:Pr, on:CY or on:ti designates the
way the pump run time is controlled:
•on:Pr - Pressure Control,
reaching a specific pressure
threshold measured by an
external pressure switch
•on:CY = Cycle Control,
completing a specific number of
cycles of an external prox/cycle
switch
•on:ti = Time Control, a specific
duration of time elapses
Pressure Control (on:Pr) ON Setup
1. Use the UP or DOWN arrow
button until on:Pr displays.
2. Press the ENTER button.
3. Pressure control is an ON / OFF
selection only. After pressing the
ENTER button, the controller saves the Pressure
Control information and moves to setting Backup
Time, page 15.
Cycle Control (on:CY) ON Setup
1. Use the UP or DOWN arrow
button until on:CY displays. 




2. Press the ENTER button.

The first number displayed after the
on:CY is entered, blinks. This indicates the device is
ready to program the number of cycles.
NOTE:The cycle entry is a 2-digit number. Enter a
leading zero (0) in the first field if the number of cycles is
fewer than 10.
3. Program the cycles by pressing the UP or DOWN
arrow button to move up or down through the
numbers 0 to 9.
4. When the correct first digit is displayed, press the
ENTER button.
The cursor automatically moves to the second number
field and flashes. Use the UP or DOWN arrow button to
scroll through the numerals 0 to 9 until the desired num-
ber appears in the second cycle number field.
5. Press the ENTER button. After pressing the ENTER
button, the controller saves the Cycle Control
information and moves to setting Backup Time,
page 15.
Time Control (on:ti) ON Setup
1. Use the UP or DOWN arrow
button to cycle through until on:ti
displays. 



2. Press ENTER.


Setup
3A2960G 15
3. To set the ON time use the UP or DOWN arrow
button to scroll through the numerals 0 to 5 until the
desired number appears in the first Minutes (MM)
field.
NOTE:The MM field is a 2-digit number. Enter a leading
zero (0) in the first field if the number of minutes is fewer
than 10. The highest number that can be set for the MM
field value is 59.
4. Press the ENTER button.
The next MM number field to the right flashes, indicating
it is ready for programming.
5. Use the UP or DOWN arrow button to scroll through
the numerals 0 to 9 until the desired number
appears in the second MM number field.
6. Press the ENTER button.
The next number field to the right flashes indicating it is
ready to program the Seconds (SS) fields.
NOTE:The Seconds (SS) field is a 2-digit number.
Enter a leading zero (0) in the first field if the number of
seconds is fewer than 10. The highest number that can
be set for the SS field value is 59.
7. Repeat steps 3 to 6 to set the SS fields.
8. Press the ENTER button. The controller
automatically switches to the OFF TIME SETUP
MODE.
Backup Time
In both Cycle and Pressure Modes, a maximum run
Time (Backup Time) for the lubrication period must be
set up. If this Time expires before the lubrication is com-
pleted an alarm/warning is triggered and the pump
stops.
To determine the Backup Time, Graco recommends ver-
ifying the length of time to complete a typical cycle and
then double that value.
Backup Time is setup after Cycle or Pressure Sensor
Setup is complete.
NOTE:
• The LED below the clock in the ON field
lights, indicating the Backup Time is being
programmed. 
• BACKUP (ON) Time is set as minutes and
seconds (MM:SS) only.
• The small flashing LED under the MM indicates
minutes are being setting.
• The first field (left side of display) blinks indicating
the device is ready to be programmed.
Programming Backup Time
NOTE: When programming a time of less than 10
minutes a leading zero must be in the first number field
and press the ENTER button.
1. To set the ON Time use the UP or
DOWN arrow button to scroll through
numerals 0 to 5 until the desired number
appears in the first MM (minutes) field.
2. Press the ENTER button. The next
MM number field to the right flashes
indicating it is ready for
programming.
3. Use the UP or DOWN arrow button to
scroll through numerals 0 to 9 until the
desired number appears in the second
MM number field.
4. Press the ENTER button. The next
number field to the right flashes and
the LED lights under SS; indicating it
is ready to program the seconds
fields.
5. Repeat steps 1 to 4 to set the SS (seconds) fields.
6. After pressing the ENTER button to
set the last SS field, all of the
programmed ON Time information is
saved. 

The controller automatically switches to the OFF
Time SETUP MODE.

Setup
16 3A2960G
Programming OFF TIME Duration
After setting the parameters for either Pressure (Pr),
Cycle (CY) or Time (Ti) ON Modes, the OFF TIME or
PUMP REST CYCLE must be set up.
OFF
The LED below the OFF TIME Symbol Illu-
minates.
NOTE:The HH field is a 2-digit number.
Enter a leading zero (0) in the first field if
the number of hours is fewer than 10. The
highest number that can be set for the HH
field value is 99.
To set the OFF Time:
1. Use the UP or DOWN arrow
button to scroll through the
numerals 0 to 9 until the desired
number appears in the first Hours
(HH) field. 

2. Press ENTER.
The next HH number field to the right
flashes, indicating it is ready for programming.
3. Use the UP or DOWN arrow button to scroll through
the numerals 0 to 9 until the desired number
appears in the second HH field.
4. Press the ENTER button.
The next number field to the right flashes indicating it is
ready to program the Minutes (MM) fields.
NOTE:The MM field is a 2-digit number. Enter a leading
zero (0) in the first field if the number of minutes is fewer
than 10. The highest number that can be set for the MM
field value is 59.
5. Repeat steps 1 to 4 to set the MM fields.
6. Press the ENTER button to lock in the last MM field.
The controller automatically switches to the LOW
LEVEL SETUP MODE.
Programming the Low Level Setting
NOTE:If Low Level is not used (i.e., low level inputs are
not connected), configuring the low level setting is still
required. The unit’s default settings (LL:01) can be used.
1. Use the UP or DOWN arrow
button to select the low level
setting.
2. Press ENTER.
LL:01 - Default
This is the default low level setup when
working with a standard, normally open,
low level switch. The pump stops when
the low level occurs.
The unit enters a low level fault condition after the
switch input is closed for more than 1 second when the
unit is in the ON portion of the RUN MODE.
When low level occurs:
• The pump stops
•
• The unit displays ER:LL
• A buzzer sounds
• The alarm LED illuminates
•The alarm output contact is closed
To Clear Alarm Buzzer
Press RESET button to silence the
buzzer.
To Clear Low Level Alarm
Resolve low level condition at low level sensor (i.e., fill
the reservoir).
Press and hold RESET button for
three (3) seconds.

Setup
3A2960G 17
LL:02 - Paddle Style
This setting is intended for use with
“paddle-style” low level sensors (such
as the Graco G3 grease units).The
pump stops when low level occurs. To ensure a low level
condition has been met in this mode, 10 consecutive low
level triggers must be detected. If a low level trigger is
not detected in 30 seconds of RUN MODE, the count is
reset to zero.
When low level occurs:
• The pump stops
•
• The unit displays ER:LL
• A buzzer sounds
• The alarm LED illuminates
•The alarm output contact is closed
To Clear Alarm Buzzer
Press RESET button to silence the
buzzer.
To Clear Low Level Alarm
Resolve low level condition at low level sensor (i.e., fill
the reservoir).
Press and hold RESET button for 3
seconds to clear the error.


LL:03 - Low Level Warning (Series F or later models
only)
This setting configures the controller
into low level warning mode. This mode
is intended to operate with a standard,
normally open, low level switch. This mode is also
intended to operate with a low level switch that provides
a persistent output.
The enters a low level condition after the switch input is
closed for more than 1 second when the unit is in the
ON portion of the RUN MODE. The pump continues to
operate.
When low level occurs:
•
• The unit periodically displays ER:LL
(approximately 5 out of 10 seconds)
• A buzzer sounds
• The alarm LED illuminates
•The alarm output contact is closed
• The pump controller continues to operate normally
To Clear Alarm Buzzer
Press RESET button to silence the
buzzer.

NOTE: The buzzer will sound again
after 4 hours if the low level condition
is not resolved. Buzzer will also sound again when
power is cycled.
To Clear Low Level Alarm
Resolve low level condition at low level sensor (i.e., fill
the reservoir). To remove the low level condition from the
controller (Er:LL) the low level must be cleared for more
than five (5) seconds.

Operation
18 3A2960G
Operation
Run Mode
The controller is in RUN MODE providing the following
circumstances are present:
• The controller is not in SETUP MODE.
• An Alarm is not active.
Pressure Mode: Pump ON
The display indicates the amount of backup time
remaining (see Pressure Control (on:Pr) ON Setup,
page 14).
• The Pressure ON LED illuminates and the pump
output is enabled as long as the system is in the
Pump ON state.
• If the pressure switch input is activated before the
Backup Pump On Time expires, the system
switches to a Pump OFF state.
• If the pressure switch is NOT activated before the
Backup Pump On Time expires the system faults,
goes to the Pump OFF state and pauses until the
alarm is cleared.
• Pump ON time is shown in MM:SS
(minutes:seconds)
Pressure Mode: Pump OFF
The display indicates the amount of time remaining in
the pump OFF cycle, counting down the Pump OFF time
value (see Programming OFF TIME Duration, page
16).
• The pump output is disabled during the Pump OFF
time.
• The Time OFF LED is illuminated as long as the
system is in the Pump OFF state.
• Pump OFF time is shown in HH:MM (hours:minutes)
or MM:SS if the time remaining is less than an hour.
Cycle Mode: Pump ON
The display alternates between the number of cycles
remaining and indicates the amount of time remaining in
the pump cycle, counting down the Backup Pump ON
time value (see Cycle Control (on:CY) ON Setup page
14).
• The Cycle ON LED illuminates and the pump output
is enabled as long as the system is in the Pump ON
state.
• If the Input Cycle Switch is activated the amount of
times equal to the Cycle Definition variable before
the Backup Pump On Time expires, the system
switches to a Pump OFF state.
• If the cycle switch is NOT activated the number of
times equal to the cycle definition variable before
the Backup Pump On Time expires the system
faults, goes to the Pump OFF state and pauses until
the Alarm is cleared.
• Pump ON time is shown in MM:SS
(minutes:seconds)
Cycle Mode: Pump OFF
The display indicates the amount of time remaining in
the pump OFF cycle, counting down the Pump OFF time
value (see Programming OFF TIME Duration, page
16).
• The pump output is disabled during the Pump OFF
time.
• The Time OFF LED illuminates as long as the
system is in the Pump OFF state.
• Pump OFF time is shown in HH:MM (hours:minutes)
or MM:SS, if the time remaining is less than an hour.

Operation
3A2960G 19
Timer Mode: Pump ON
The display indicates the amount of time remaining in
the pump cycle, counting down the Pump ON time value
(see Time Control (on:ti) ON Setup page 14).
• The Pump output is enabled.
•Pump ON time is shown in MM:SS
(minutes:seconds).
Timer Mode: Pump OFF
The display indicates the amount of time remaining in
the pump OFF cycle, counting down the Pump OFF time
value (see Programming OFF TIME Duration, page
16).
• The Time OFF LED illuminates and the pump output
is disabled during the Pump OFF time.
• Pump OFF time is shown in HH:MM (hours:minutes)
or MM:SS if the time remaining is less than an hour.
Series F and Later
To enter TEST MODE:
1. Press the LEFT and
RIGHT arrow buttons
together for three (3)
seconds.
2. The unit enters a sequence of ON for the
programmed on time, and OFF for one (1) minute
until TEST MODE is exited or 10 sequences are
completed. If pressure or cycle feedback is
selected, it will change to OFF when the SETUP
parameters are met. If the amount of cycles or
pressure is not met, it goes into the corresponding
alarm condition.
3. To exit TEST MODE, press the
RESET button once.

Alarm Operation
When an alarm situation occurs:
• pump operation is immediately
disabled,
• the front panel Alarm LED illuminates,
• an error code displays
• an audible alarm sounds
• the alarm output contact activates
Press the Reset button once to clear
buzzer; press and hold for 3 seconds
to clear alarm and switch controller to
OFF MODE.
See Alarm Types and Messages Table, page 20 for
additional information related to alarms and alarm mes-
sages.

Operation
20 3A2960G
Alarm Types and Messages
Alarm Type Error Code Description Things to Check/Do
Low Level Low lubricant level
Refill lubrication reservoir.
If low level fault occurs unexpectedly verify wiring
and programming setup.
Cycle
Backup time expired prior to
receiving programmed
number of cycle counts
Inspect lubrication system for broken or plugged
lines.
Confirm pump is operating correctly.
Inspect wiring and switch.
Confirm that sufficient backup time was
programmed for environment conditions (e.g.,
slower system response in cold temperatures)
Verify programming.
Pressure
Backup time expired prior to
receiving pressure switch
input.
Inspect lubrication system for broken or plugged
lines.
Confirm pump is operating correctly.
Confirm vent valve is operating correctly.
Inspect wiring and switch.
Confirm that sufficient backup time was
programmed for environment conditions (e.g.,
slower system response in cold temperatures).
Verify programming.
System Fault Internal system error
occurred.
Cycle power.
If the system error persists the controller may
need to be replaced.
Pin Code Invalid PIN Code Confirm the PIN Code is correct.