108
Capacity
controller RS8ER302 © Danfoss 2016-02
AK-CH
650
Appendix B - Alarm texts
Settings
Priority
(factory)
English alarm texts
Description
Suction group
Control mode
Low
Manual comp. cap. Control
Manual control of compressors
Low suction pressure P0
Low
Low pressure P0
Minimum safety limit for suction pressure P0 has been exceeded
High suction pressure P0
High
High pressure P0
High alarm limit for P0 has been exceeded
High S4 temperature
High
High S4 temp.
High S4 temperature
Low S4 temperature
Medium
Low S4 temp.
Low S4 temperature
High/Low superheat Ss
Medium
High superheat suction A
Superheat in suction line too high
Low superheat section A
Superheat in suction line too low
Load shedding
Medium
Load Shed active
Load shedding has been activated
P0/S4 sensor error
High
P0A sensor error
Pressure transmitter signal from P0 is defective
S4A sensor error
Temperature signal from S4 media temp. sensor defective
Misc. sensor error
High
S3 sensor error
Temperature signal from S3 media temp. sensor defective
SsA sensor error
Temperature signal from Ss suction gas temp. is defective
SdA sensor error
Temperature signal from Sd discharge gas temp. is defective
Sc3 sensor error
Temperature signal from Sc3 air on condenser defective
Heat recovery sensor error
Temperature signal from Shrec heat recovery thermostat defective
Saux1 sensor error
Signal from extra Temp. sensor Saux1 is defective
Saux2 sensor error
Signal from extra Temp. sensor Saux2 is defective
Saux3 sensor error
Signal from extra Temp. sensor Saux3 is defective
Saux4 sensor error
Signal from extra Temp. sensor Saux4 is defective
Pump alarm
Medium
Cold pump 1 alarm
Cold pump 1 is defective
Cold pump 2 alarm
Cold pump 2 is defective
Cold pump 1&2 alarm
High
Cold pump 1&2 alarm
Both cold pump 1 and 2 are defective
Frost protection
High
Anti freeze safety cutout
All compressors have been cut out on common safety input
All compressors
Comp. 1 safety
Comp. 2 safety
Comp. 3 safety
_________________
Comp. 6 safety
Medium
Comp. X oil pressure cut out
Compressor no. x has been cut out on oil pressure safety
Comp. x over current cut out
Compressor no. x has been cut out on over current safety
Comp. 1 motor prot. cut out
Compressor no. x has been cut out on motor protection safety
Comp. 1 disch. Temp cut out
Compressor no. x has been cut out on discharge temperature safety
Comp. 1 disch. Press. Cut out
Compressor no. x has been cut out on discharge pressure safety
Comp. 1 General safety cut
out
Compressor no. x has been cut out on general safety
VSD safety
Medium
Comp. 1 VSD safety error
Variable speed drive for comp. x has been cut out on safety
Condenser
Control mode
low
Manual cond. cap. Control
Manual control of condenser
High Pc/Sd temp.
High
High disch. temp. SdA
Safety limit for discharge temperature has been exceeded
High pressure Pc
High safety limit for condensing pressure Pc has been exceeded
Pc/S7 Sensor error
High
PcA sensor error
Pressure transmitter signal from Pc is defective
S7A sensor error
Temperature signal for S7 media temperature sensor is defective
Detect blocked air flow
Medium
Air flow reduced cond. A
The intelligent air flow monitoring of the condenser reports that a
cleaning is due
Fan/VSD safety
Medium
Fan Alarm 1
Fan no. X is reported defective via safety input
Fan VSD alarm
Variable speed drive for condenser fans has been cut out on safety