Error Code List - Panasonic OCU-CR200VF5 Service Manual

Error Code List

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