3-36
3.4 Alarm display and back-up function
3.4.1 Alarm list
Alarm Alarm
Alarm content Action with alarm
grouping
code
F101
HPS activated within 30 seconds after operation start or protection device
Unit stops
activated 5 times at start-up operation.
F109
Low- pressure drops to–85kPa or lower within 2 seconds after operation start
. Unit stops
F111
HPS does not activate when it reaches the set value. Unit stops
F301
Temperature setting required (SRAM failure) Unit stops
F401
Return and Supply air sensor malfunction (at chilled mode) Unit stops
F403
Return and Supply air sensor malfunction (at partial frozen mode)
Unit stops
F603
Suction modulating valve (SMV) failure. Unit stops
F701
Abnormally high voltage Unit stops
F705
S phase became open phase Unit stops
F803
Any of the following alarm actuated 10 times Unit stops
E101, E103, E107, E109, E203, E707
E101
High-pressure switch activated during normal operation. Restart after 3-minute
E103
CTP
※1
or electronic OC
※2
activated during normal operation. Restart after 3-minute
E105
Micro processor OC
※2
activated during normal operation. Restart after 3-minute
E107
DCHS
※3
temperature became abnormally high during operation. Restart after 3-minute
E109
Low pressure drops to–90kPa or lower for 2 seconds
or longer during normal operaton.
Restart after 3-minute
E201
Pump down is not completed within 60 seconds. Only alarm displayed
E203
Overcool protection activates in the chilled or partial frozen mode. Restart after 3-minutes
(Control temperature ≦ SP–3˚C or for 3 minutes)
E207
Defrosting is not completed within 90 minutes Only alarm displayed
E303
Humidity setting required (SRAM failure) Only alarm displayed
E305
Defrost timer setting required (SRAM failure) Only alarm displayed
E307
Calendar setting required (SRAM failure) Only alarm displayed
E311
Trip-start setting required (SRAM failure) Only alarm displayed
E315
PT/CT board failure
Restart after 3-minutes
E401
Supply air temperature sensor (SS) malfunction Back-up operation
E402
Data recorder supply air temperature sensor (DSS) malfunction Back-up operation
E403
Return air temperature sensor (RS) malfunction Back-up operation
E404
Data recorder return air temperature sensor (DRS) malfunction
Back-up operation
E405
Discharge air temperature sensor (DCHS) malfunction Only alarm displayed
E406
Suction gas temperature sensor (SGS) malfunction Back-up operation
E407
Evaporator inlet temperature sensor (EIS) malfunction Back-up operation
E409
Evaporator outlet sensor (EOS) malfunction Back-up operation
E411
Ambient sensor (AMBS) malfunction Only alarm displayed
E413
Low pressure transducer (LPT) malfunction Back-up operation
E415
High pressure transducer (HPT) malfunction Back-up operation
E417
Voltage sensor (PT1) malfunction Only alarm displayed
E421
Current sensor (CT1) malfunction Only alarm displayed
E423
Current sensor (CT2) malfunction
Restart after 3-minutes
E425
Pulp temperature sensor (USDA1) malfunction Only alarm displayed
E427
Pulp temperature sensor (USDA2) malfunction Only alarm displayed
E429
Pulp temperature sensor (USDA3) malfunction Only alarm displayed
E431
Humidity sensor (HuS) malfunction Only alarm displayed
E433
Cargo temperature sensor (CTS) or box temperature sensor Only alarm displayed
(CBS) malfunction
E603
Suction modulating valve (SMV) malfunction or driver malfunction
Back-up operation
E607
MDS (sheet key) malfunction Only alarm displayed
E707
Momentary power failure
Restart after 3-minutes
Permanent stop
Display alone or restartable alarm
Protection device
activation
Control error
Printed-circuit
board failure
Sensor alarm
Electronic
functional
part alarm
Power
supply
alarm
Note 1) The alarm LED does not blink when E code alarm is generated.
To check if any alarm generates, use alarm indication function in the section "1. Current indication
mode" of "3.3.2 Mode operation procedure.
※1 : Compressor therminal protector
※2 : Over current
※3 : Discharge gas
To Next Page
Loading...
Need help?
General