Panasonic OCU-CR200VF5 User manual

1
Outdoor Type Refrigeration Unit
(Non-fluorocarbon Refrigeration
Unit with CO2Refrigerant)
Engineering Service Manual
Model No. OCU-CR200VF5 / OCU-CR200VF5SL
1.02

2
Table of Contents
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Service Piping (Separately sold components) . . . . . . . . . . . 3
Service Valve Operation Method . . . . . . . . . . . . . . . . . . . . . 4
Service Pipe Connection/Disconnection Method . . . . . . . . . 5
Evacuation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Refrigerant Releasing Procedure . . . . . . . . . . . . . . . . . . . . . 8
Airtight Test Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Vacuum Pump Attachment and Evacuation Procedure . . . 10
Refrigerant Charging Procedure . . . . . . . . . . . . . . . . . . . . . 11
Gas Leak Repair Procedure . . . . . . . . . . . . . . . . . . . . . . . . 12
Compressor Replacement Procedure . . . . . . . . . . . . . . . . 13
Oil Replenishing Procedure . . . . . . . . . . . . . . . . . . . . . . . . 18
Filter Dryer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Error Code List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Troubleshooting for Each Error Code . . . . . . . . . . . . . . . . . 22
Service Parts List (OCU-CR200VF5) . . . . . . . . . . . . . . . . . 36
Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3
Service piping
(SPK-TU125)
Service piping (Packing attachment)
Note: 1. Install the packing by avoiding the adherence of dust.
2. Fasten the nut with fastening torque of 13 1 N・m.
Service Piping (Separately sold components)
Service piping components are required when connecting the refrigeration unit and
vacuum pump, gas cylinder, etc. during installation.
Use these components to connect to locally procured components.
Locally procured components
SPK-TU125 has a bent part here. Service/Maintenance connection
Joint valve (Swagelok, etc.)
Joint (Swagelok, etc.)
Packing
Nut
(Service piping)

4
Service Valve Operation Method
1. Location of Service Valves
2. Method of Operating Service Valves
Note: 1. Copper packing, Cap and Nut must be installed after the work. (Gas leak
prevention)
2. Check Gland nut loosening of the service valves, and fasten them if any
looseness exists.
3. Fastening torques are as follows.
Cap: 30 5 N・m, Nut: 13 1 N・m, Gland Nut: 10 1 N・m
A
: Back seated position
(Turn the stem fully counter-
clockwise)
B
: Mid-position
(Stem height approx. 15mm)
• High pressure side
Approx. 3 and
a half turns
• Low pressure side
Approx. 3 turns
C
: Front seated position
(Turn the stem fully
clockwise)
Explanation of each Seat Position
High pressure
service valve Low pressure
service valve
Operation of each seat position
Packing
Nut
Stem
Copper packing
Cap
Gland nut
A
(Counterclockwise
-turn limit) C
(Clockwise-turn
limit)
B
(Stem height approx. 15 mm)
Access port

5
Service Pipe Connection/Disconnection Method
1. Preparation before attachment of the service piping
1) Turn the stem of the high pressure and low pressure service valves (2 places) to open it
toward the back seated position.
2) Attach a packing to the service piping (2 places)
Note: 1. Use a new packing.
2. Check that there is no adhering foreign objects.
2. Service piping attachment
1) Remove the nut and packing included with the service valve (2 places).
2) Assemble the service piping.
First, turn the nut by hand until the packing needs to be fastened with a tool.
If it is difficult to fasten, loosen it slightly and try to make the nut parallel with the male thread
of the service valve, and then fasten it gradually.
Note: Fastening the nut with a tool while the threads are not fully aligned would break
the thread and lead to a gas leak.
Back seated position
(Turn the stem fully counterclockwise)
Packing
Nut
(Service piping) Nut
(2 places)
Service piping (SPK-TU125)
Joint (Swagelok, etc.) (Locally procured)
Joint valve (Locally procured)
Service/Maintenance
components
(Gas cylinder, hose, etc.)
Fasten by
hand
Remove
(Install after work)
Nut and packing
(Included with
the valve) Service piping

6
Service Pipe Connection/Disconnection Method
3. Fastening the service piping
Fasten the nuts by hand up to the condition shown below, and then fasten them with a tool.
Fastening torque of 13 1N・m is recommended for the nuts.
Note: Fastening it too tight may deform the packing.
4. After completing service operation
1) After completing service operations such as the evacuation and refrigerant charging, turn
the stem of the service valve to open it toward the back seated position.
(Check that the access ports of the high pressure and low pressure service valves have
been closed.)
2) Any remaining nitrogen or refrigerant in the service piping should be purged.
3) Detach the service piping.
After detaching the service piping, Install the nut originally used on the service valve by hand.
(Refer to "2. Service piping attachment”.)
4) Fasten the nut by using a tool. Fastening torque of 13 1N・m is recommended.
(Refer to "3. Fastening the service piping”.)
5) Check Gland nut loosening of the low pressure and high pressure service valves and fasten
them if any looseness exists. Fastening torque is 10 2 N・m.
Nut (Included with the valve)
Service piping
(SPK-TU125)
Joint valve
Low pressure
service valve
High pressure
service valve
Gland Nut

7
Evacuation Mode
1. Evacuation mode
In the evacuation mode, fully open the electronic expansion valve and solenoid valve in the
refrigeration unit.
If the refrigeration unit is not set to the evacuation mode, the electronic expansion valve and
solenoid valve in the refrigeration unit do not open, thus leading to incomplete the evacuation.
2. Evacuation mode procedure
1) Turn OFF the power circuit breaker. (The evacuation mode cannot be started with power
supplied to the refrigeration unit.)
2) On the control PCB, turn switch No.1 of the 8P DIP switch ON (SW13).
3) Turn ON the operation switch (Seesaw switch S1).
4) Turn slide switch SW15 on the control PCB to [Check] .
5) Turn ON the power circuit breaker. (Supply power to the refrigeration unit.)
6) The 7-segment LED display indicates [uAcU].
Slide switch
SW15 [Check]
LED display DIP switch
SW13 (Turn ON No.1 at left)
Operation switch
S1 [ON]

8
Refrigerant Releasing Procedure
1. Service piping attachment
1) Check that the access ports of the high pressure and low pressure service valves have been
closed. (The back seated position)
2) Attach the service piping with the joint valve in "Closed" condition.
3) Fasten the nuts by hand up to the condition shown below, and then fasten them with a tool.
Fastening torque of 13 1N・m is recommended for the nuts.
Note: Fastening it too tight may deform the packing.
2. Refrigerant releasing
1) Set the evacuation mode.
2) Set the low pressure and high pressure service valves to the Mid-position. (The access ports
are open.)
3) Slowly open the joint valve to release refrigerant.
Caution The rapid release of refrigerant could cause refrigerant oil to be
released together with refrigerant.
Service piping
(SPK-TU125)
Joint valve
Low pressure
service valve
High pressure
service valve

9
Airtight Test Procedure
(Execute this test after competing piping work and airtight test but before starting
heat insulation work)
1. Piping connection
1) Connect the joint valve of the service piping (SPK-TU125) and the manifold gauge set
exclusively for CO2refrigerant by using a CO2charge hose or 1/4" pipe.
2) Connect a nitrogen cylinder and the manifold gauge set by using a CO2 charge hose or
1/4" pipe.
2. Airtight test
1) Set the evacuation mode in accordance with " Evacuation Mode".
2) When carrying out an airtight test of interconnecting piping and load-side equipment
(such as showcase and unit cooler), set up the service valves with the front seat.
After replacing components of the refrigeration unit and when performing an airtight test of
the refrigeration unit, use the Mid-position. (The access ports are open.)
However, at this time, avoid applying the high-pressure side airtight test pressure to
the low-pressure side.
Note: Airtight test of the refrigeration unit was completed at the time of factory
shipment. Pressure testing should only be carried out by personal / companies
who have necessary certification. Consider carefully local regulations and
EN378.
Design pressure in Factory
Caution Make sure to close the vacuum valve of CO2manifold gauge set.
Consider special local regulations and consider Installation of all
equipment have to be in accordance to pressure directive 2014/68/EU
and European norm EN378.
Service piping
Joint valve
Nitrogen cylinder
Charging
valve
CO2charge hose or 1/4" pipe
CO2manifold gauge set
Low side
gauge High side
gauge
High pressure part Low and intermediate
pressure parts
12MPa 8MPa
Low pressure service valve
High pressure service valve

10
Vacuum Pump Attachment and Evacuation Procedure
1. Piping connection
1) Connect the joint valve of the service piping (SPK-TU125) and the manifold gauge set
exclusively for CO2refrigerant by using a CO2charge hose or 1/4" pipe.
2) Connect a vacuum pump and the manifold gauge set by using a charge hose or 1/4" pipe.
The low side gauge for this operation should be able to indicate the vacuum level to be
reached (-0.1 MPa).
2. Evacuation
1) Set the evacuation mode in accordance with “Evacuation Mode".
2) Set the low pressure and high pressure service valves to the Mid-position, the access ports
are open, and operate the vacuum pump.
3) Continue the evacuation until the vacuum gauge indication reaches -0.1MPa and continue
evacuation for an additional 1 to 3 hours.
Caution Evacuation should be performed after completing the airtight test.
Please follow local regulations and EN378.
Caution When the intended vacuum level (-0.1MPa) cannot be reached
after 2 hours, check the set up for any leaks.
Charge hose or 1/4" pipe
Service piping
Joint valve
Vacuum pump
CO2charge hose or 1/4" pipe
Charging
valve
CO2manifold gauge set
Low side
gauge High side
gauge
Low pressure service valve
High pressure service valve

11
Refrigerant Charging Procedure
1. Piping connection
1) Connect the joint valve of the service piping (SPK-TU125) and the manifold gauge set
exclusively for CO2refrigerant by using a CO2charge hose or 1/4" pipe.
2) Place a CO2refrigerant cylinder on a platform scale, and connect the manifold gauge set by
using a CO2 charge hose or 1/4" pipe.
3) Set the high pressure service valve to the Mid-position (the access port is open), and the low
pressure service valve to the back seated position.
Note: Do not charge the refrigeration unit with liquid refrigerant from the low pressure side
under any circumstances.
4) Tare the platform scale.
2. Refrigerant Charging
1) Open the joint valve and gradually charge the refrigeration unit with refrigerant.
In order to avoid overcharging, maintain the charging rate at approx. 20 g in 5 sec.
When it is difficult to adjust the charging speed by using the joint valve or the charging valve
of manifold gauge set, install a capillary tube between the CO2 refrigerant cylinder and
manifold gauge set.
Note: Do not install a capillary tube between the service piping and manifold gauge set.
2) When the liquid refrigerant no longer goes into the refrigeration unit, close the access port of
the high pressure service valve and make the refrigeration unit in cooling operation condition
to adjust refrigerant quantity using the access port of the low pressure service valve.
3) After completing refrigerant charge, close the refrigerant cylinder valve and check that the
access ports of the low pressure and high pressure service valves have been closed.
4) Gradually open the vacuum valve or purge port of the manifold gauge set, and release the
refrigerant remaining in the service piping, manifold gauge set, and charge hose (or 1/4"
pipe). Refer to “Service Pipe Connection/Disconnection Method”.
Caution
Blow valve
Platform scale
Service piping
Charging
valve
CO2manifold gauge set
Low side
gauge High side
gauge
CO2refrigerant cylinder
CO2charge hose or 1/4" pipe
Joint valve
Low pressure service valve
High pressure service valve
Make sure to close the vacuum valve of CO2manifold gauge set.

12
Gas Leak Repair Procedure
1. Gas leak position identification
1) When using a liquid leak detector
Identify the position where oil is leaking.
Find gas leaks by applying the liquid leak detector and checking for foaming.
2) When using a leak detector
Identify the position where oil is leaking.
Detect gas leaks by bringing the leak detector probe near the identified position.
Note: Use caution not to blow air during the detection process. (Detector reacts to
blown air.)
2. Releasing refrigerant
Release refrigerant in accordance with “Refrigerant Releasing Procedure".
3. Brazing repair operation
1) Prepare for brazing operation.
You will need the following tools during brazing operation:
- Brazing burner
- Phosphor copper solder
- Shield plate, heat insulation plate, wet waste cloth
- Blow and replacement nitrogen
2) Carry out brazing operation.
During brazing, make sure that there is no refrigeration oil residue on the surface.
Since the copper pipes used with the CO2refrigeration unit have a thicker wall than the HFC
refrigeration unit, make sure that the melted solder material is fully wetting the target position.
4. Airtight test
Carry out the airtight test in accordance with "Airtight Test Procedure ".
5. Evacuation
Carry out the evacuation in accordance with "Vacuum Pump Attachment and Evacuation
Procedure".
6. Refrigerant Charging
Charge the refrigeration unit with refrigerant in accordance with "Refrigerant Charging
Procedure".

13
Compressor Replacement Procedure
1. Turn OFF the power supply to the refrigeration unit.
2. Remove the mounting plate above the compressor and remove the terminal cover
securing bracket (Clip), and then remove the compressor terminal cover.
Remove all lead wires of R, S, and T phase from the compressor.
3. Remove the crankcase heater from the compressor.
Note: Bundle the lead wires of the compressor and crankcase heater in a position
where they will not be affected by the heat during later pipe brazing operations.
Mounting plate
(Secured by two screws)
Compressor
Terminal cover
Terminal cover securing bracket (Clip)
R, S, and T phase terminals
Compressor lead wire harness
Crankcase heater
Crankcase heater
securing spring

14
Compressor Replacement Procedure
4. Refrigerant releasing
Release CO2refrigerant into the atmosphere in accordance with "Refrigerant Releasing
Procedure ".
5. Pipe cutting
1) In order to avoid any damage from the heat by pipe brazing later, peel off the heat insulation
material on the suction pipe to the position shown in the following photo.
2) After completing the release of refrigerant, cut the compressor piping at four places (1st
stage suction, 1st stage discharge, 2nd stage suction, 2nd stage discharge) by using a pipe
cutter or cable cutter.
3) The cutting position should be on the compressor side from the welded part (See the photo)
and use sufficient caution not to deform the welded part of the pipe during cutting.
Compressor
1st stage suction
Cutting position
Low pressure service valve
High pressure service valve
Heat insulation material
2nd stage suction
Cutting position
2nd stage discharge
Cutting position
1st stage discharge
Cutting position

15
Compressor Replacement Procedure
6. Compressor removal
1) Remove the securing nut, flat washer, and protection rubber washer in three places (two
places in the front and one in the back) of the compressor to be replaced.
2) Remove the compressor from the refrigeration unit.
7. Removing the cut end pipe
Remove the compressor pipe left on the refrigeration unit side by heating the cut end. Four
places in total (1st stage suction, 1st stage discharge, 2nd stage suction, 2nd stage discharge).
Note: 1. During this operation, always supply nitrogen gas by using the access port of
the service valve.
2. In order to avoid radiation of the brazing flame, protect rubber, wiring, heat
insulation material, sheet metal, etc., by covering them with wet cloths.
Note: Remove the compressor from the right-hand
side while using caution not to apply stress to
other piping in the refrigeration unit.
Condition after removing nuts, flat washers,
and protection rubber washers
Securing nut
Flat washer
Protection
rubber washer
Remaining 2nd stage
discharge pipe
Remaining 2nd stage
suction pipe
Remaining 1st stage
discharge pipe
Remaining 1st stage
suction pipe

16
Compressor Replacement Procedure
8. Replacing compressor
Remove the cushion rubbers (rubber mounts) from the compressor you just removed in step “6.
Compressor removal”, attach them to the new compressor, and then place the new compressor
in its original position.
Note: Place the new compressor without causing stress to the refrigerant piping in the
refrigerating unit.
9. Pipe brazing operation
1) While heating the brazing position of each pipe (4 places), insert the tip of each pipe into the
brazing part of the new compressor.
2) Maintain a flow of oxygen-free nitrogen through the pipe at a very low pressure during
brazing. Nitrogen displaces the air and prevents the formation of copper oxides in the pipe.
3) Confirm that the pipe is inserted to the specified length.
Note: When inserting the 2nd stage discharge pipe, remove the piping securing
screw. (Bending prevention)
4) Apply phosphor copper brazing to the welded parts. Strictly comply with the nitrogen
substitution process.
5) Fasten the pipe securing screw removed in step “3)”.
Note: When the screw-fastening is omitted, excessive vibration may cause a failure
by piping breakage. For that reason, be sure to fasten the screw.
Completed condition after brazing
Condition with an attached
cushion rubber (rubber mount)

17
Compressor Replacement Procedure
A
B
C
10. Installing compressor securing nuts
Install the securing nut, flat washer, and protection rubber washer (three places) that were
removed in step “6. Compressor removal”.
Note: 1. Incorrect attachment may cause excessive vibration and lead to a piping
breakage failure. Carefully check with the illustration shown above.
2. The securing nut on each compressor leg must be fastened once and then re-
fastened for confirmation purposes. (Fasten two times in total.)
Fastening order A⇒B⇒C⇒A⇒B⇒C, Fastening torque 12.8-14.3 N・m.
11. Airtight test
From the access port of the high and low pressure service valves, charge the refrigeration unit
with nitrogen at the specified pressure (8 MPa). (Refer to “Airtight Test Procedure”.)
12. Gas leak test
Confirm that no leak is detected from the brazed part or other places.
13. Release of nitrogen
Release nitrogen from the access port of the high and low pressure service valves. (Refer to
“Refrigerant Releasing Procedure”.)
14. Evacuation and refrigerant charging
Apply the evacuation from the access port of the high and low pressure service valves.
After reaching the specified vacuum level, continue the evacuation for 2 to 3 hours and then
charge the refrigeration unit with refrigerant. (Refer to “Vacuum Pump Attachment and
Evacuation Procedure” and “Refrigerant Charging Procedure”.)
15. Completing wiring
1) Connect the compressor lead wires removed in step “2” by avoiding connection errors in
the R,S,T phases. (Connection described on the back of the terminal cover)
2) Attach the crankcase heater removed in step “3”, back on the new compressor.
Radius facing down
3 places (A, B, and C)
Cross-section (After fastening)
(2mm or greater)
Highest position
Compressor
Protection rubber washer
Compressor leg
Securing nut
Flat washer
Protection rubber washer
(Place with the radius facing down.)
Compressor leg
Cushion rubber
Spacer
Unit base

18
Oil Refill Procedure
1. Release of refrigerant and Evacuation
1) Carry out the release of refrigeration and the evacuation of the refrigerant circuit in
accordance with the "Refrigerant Releasing Procedure" and "Vacuum Pump Attachment
and Evacuation Procedure".
2) After completing the evacuation, set the high pressure and low pressure service valves to
the back seated position. (The access ports of the high pressure and low pressure service
valves have been closed.)
3) Remove the service piping (SPK-TU125).
2. Addition of oil
1) Attach the service piping for oil (SPK-TU125) to the low pressure service valve.
(Joint valve of the service piping is "CLOSED")
2) Assemble the extension pipe to the joint valve. Make sure that the tip of the pipe reaches the
bottom of the oil container.
3) Set the low pressure service valve to the Mid-position (the access ports are open), and open
the joint valve (oil is sucked up). High pressure service valve have been back seated
position.
4) After completing oil suction, close the joint valve and remove the extension pipe from the
joint valve.
5) Connect a nitrogen cylinder to the joint valve.
Pump the oil remaining in the service piping into the circuit by using nitrogen.
6) After completing this process, set the low pressure service valve to the back seated position,
and remove the service piping and nitrogen cylinder.
In principle, there is no need for adding oil to the refrigeration unit.
However, if such an operation is required when moving the refrigeration unit or
for other reasons, then comply with the following procedure.
(Any failure of a refrigeration unit resulting from moving is not covered by the
warranty.)
Caution
Service piping
(SPK-TU125)
Joint valve
Low pressure
service valve
High pressure
service valve

19
Filter Dryer
1. Filter dryer to be applied
1) The filter dryer (one is shipped with each refrigeration unit) is a standard component.
2) In the case of replacement, use the same filter dryer shown below as the standard
component.
2. Filter dryer attachment
1) The filter dryer has an expanded tip on both ends.
2) Do not remove the filter dryer cap until immediately before use.
3) Connect the filter dryer to the liquid line between the refrigeration unit outlet (the high
pressure service valve) and the evaporator by brazing.
4) During brazing operation, protect the filter dryer from heat by covering it with wet cloths, etc.
Refrigeration Unit
Model No. Filter dryer Part No.
Filter dryer Type Connection
Diameter
OCU-CR200VF5 D-152T CO-082-S 6.35 mm
You must not use a filter dryer for HFC refrigerant under any
circumstances as it does not meet the pressure requirement.
Cap
Caution
280mm

20
Error code
Anomaly item Detection Condition Motion during Anomaly Detection Recovery Condition
Detail Ext
Alarm
Communi
cation
※Method Detail
E
0
1
High pressure anomaly
(7
th Trip) or High Pressure
Switch Activated
High pressure
of 11.7 [MPa] or over
“
E31”occurred 7 times within 1 hour
All stop
Yes Yes Manual
Operate
S1 (operation SW) or power
reset
E
0
3
Discharge
gas temperature
anomaly
(3
rd Trip)
Discharge
gas temperature 118C or
over "
E10" occurred 3 times within 2
hours
Stop compressor
Yes Yes Manual
After the discharge
gas temperature
goes down
(75C or below), operate
S1
(
Op SW) or reset the power
E
0
4
Discharge
gas temperature
sensor
anomaly
Discharge
gas temperature sensor
open
, or shorted
Stop compressor
Yes Yes Manual
When sensor signals return to normal,
operate S1 (
Op SW) or reset the power
E
0
5
Low pressure sensor
anomaly
Low pressure sensor open
All stop
Yes Yes Manual
When s
ensor signals return to normal,
operate S1 (
Op SW) or reset the power
E
0
6
High
pressure sensor anomaly
High pressure sensor open
All stop
Yes Yes Manual
When s
ensor signals return to normal,
operate S1 (
Op SW) or reset the power
E
0
7
Suction
gas temperature
sensor
anomaly
Suction
gas temperature sensor open
,
or shorted
Continue normal
operation
(
Indication only) No No Auto
Auto reset when s
ensor signals return
to normal
E
1
0
Discharge
gas temperature
anomaly
(1st to 2nd Trip)
Discharge
gas temperature is 118C
or over
(1st to 2nd detection)
Stop compressor
No No Auto
Auto
restart when the discharge gas
temperature goes down
(75C or below)
E
1
8
Inverter communication
anomaly
Inverter
communication signals
cannot
receive for
25 sec.
Stop compressor
Yes Yes Manual
When communication
signals return to
normal, operate S1 (
Op SW) or reset
the power
E
1
9
C
ontroller communication
anomaly
No communication with controller for
10
min.
Continue normal
operation by case
operation signal
No No Auto
Auto reset Whencommunication
signals
return to normal
E
2
3
Ambient
temperature sensor
anomaly
Ambient
temperature sensor open, or
shorted
All stop
Yes Yes Manual
When s
ensor signals return to normal,
operate S1 (
Op SW) or reset the power
E
2
7
Gas cooler fan motor anomaly
(1st to 9th Trip)
Fan motor rotation anomaly
Stop
fan motor No No Auto
Auto restart after stopping for 60 sec.
E
2
8
Gas cooler fan motor anomaly
(10th
Trip)
Fan motor rotation anomaly
(
Detected
after
10th Trip of E27)
Stop
fan motor Yes Yes Manual
Manual
reset (operate S1 (operation
SW)
or reset the power)
E
3
1
High pressure anomaly
(1st to 6
th Trip)
High pressure is
11.7 [MPa] or over
(High Pressure Trip)
All stop
No No Auto
Auto restart after stopping for 5
min.
E
3
2
Refrigerant
flood back alarm
Suction gas superheat (difference
between the "suction gas temperature"
and "evaporating temperature
converted from low pressure")
became 1 K or below continuously for
2 min.
Continue normal
operation
(Indication only)
No No Auto
Auto reset when the
suction gas
superheat
≥5 [K]
E
5
7
Refrigeration
unit outlet
temperature
sensor anomaly
Refrigeration unit
outlet temperature
sensor open
, or shorted
All stop
Yes Yes Manual
When s
ensor signals return to normal,
operate S1 (
Op SW) or reset the power
E
5
9
Gas cooler
outlet temperature
sensor anomaly
Gas cooler
outlet temperature sensor
open
, or shorted
All stop
Yes Yes Manual
When s
ensor signals return to normal,
operate S1 (
Op SW) or reset the power
Error Code List
Note:
※When the controller is connected, anomaly content is sent via the communication cable.