Rittal Air Conditioner Error Codes
System messages are shown on the display screen of the Comfort controller via the displays A1 to A20 and E0.A1 -Enclosure door open
A2-Internal temperature of enclosure too high
A3-Filter monitoring
A4-Ambient temperature too high/too low
A5-Icing hazard
A6-PSAH pressure-operated switch
A7- Evaporator coil
A8- Condensate warning
A9- Condenser fan blocked or defective
A10- Evaporator fan blocked or defective
A11- Compressor
A12- Condenser
A13- Ambient temperature sensor
A14-Icing temperature sensor
A15-Condensate warning temperature sensor
A16- Internal temperature sensor
A17- Phase monitoring
A18- EPROM
A19-LAN/Master-Slave
Rittal Air Conditioner Error Codes
