AC Rittal error code

In Air Conditioner, Rittal 483 views

Below is a table about AC Rittal error code which is accompanied by how to resolve the problem. This error code table can be used as a guide for products with this series

RITTAL AIR CONDITIONER PRODUCT SERIALS
SK 3302.xxx
SK 3302.3xx
SK 3303.xxx
SK 3304.xxx
SK 3305.xxx
SK 3328.xxx
SK 3329.xxx
SK 3332.xxx
SK 3361.xxx
SK 3366.xxx
SK 3377.xxx

Rittal Air Conditioner Error Code Table

Error Code In Display Description Possible cause How to Fix it
A01 Enclosure door open The Door open or door limit switch incorrectly positioned Close door, position door limit switch correctly, check connection if necessary
A02 AC Internal temperature of enclosure too high The Cooling capacity inadequate/unit undersized. Error as a consequence of messages A03 to A17. Check cooling capacity
A03 About Filter monitoring The Filter mat soiled Clean or replace;
reset the Comfort controller
A04 Ambient temperature too high/too low The Ambient temperature outside of admissible operating range (+10°C to +60°C) Raise or lower the ambient temperature
(e.g. heat or ventilate the room)
A05 Icing hazard The Operational display in case of icing hazard. Evaporator coil fan may be mechanically blocked, defective, or cold air outlet obstructed. Set the enclosure interior temperature to
a higher value. Check the evaporator fan;
release or exchange if necessary.
A06 PSAH pressure-operated switch The Ambient temperature too high Lower the ambient temperature;
reset the Comfort controller
The Condenser soiled Clean the condenser;
reset the Comfort controller
The Filter mat soiled Clean or replace;
reset the Comfort controller
The Condenser fan defective Replace;
reset the Comfort controller
The E-valve defective Have the sensor repaired by a refrigeration engineer; reset the Comfort controller
The PSAH pressure-operated switch defective Have the switch replaced by a refrigeration engineer; reset the Comfort controller
A07 Evaporator coil The Lack of coolant; sensor in front of or behind condenser defective. Have the sensor repaired by a refrigeration engineer; reset the Comfort controller
A08 Condensate warning The Condensate discharge kinked or blocked Check condensate discharge; repair any kinks or blockages in the hose as necessary
The Only in units with optional condensate evaporation Check the evaporation unit, exchange if necessary
A09 Condenser fan Maybe Blocked or defective Clear the blockage; replace if necessary
A10 Evaporator fan Maybe Blocked or defective Clear the blockage; replace if necessary
A11 Compressor Compressor overloaded No action required;
(internal winding protection) unit switches back on automatically.
Defective Exchange by refrigeration engineer
(check by measuring the winding resistance)
A12 Condenser temperature sensor Open or short-circuit Replace
A13 Ambient temperature sensor Open or short-circuit Replace
A14 Icing temperature sensor Open or short-circuit Replace
A15 Condensate warning temperature sensor Open or short-circuit Replace
A16 Internal temperature sensor Open or short-circuit Replace
A17 Phase monitoring For three-phase devices only: Incorrect rotary field/phase absent Exchange two phases
A18 EPROM error New board obstructed Software update needed (only following board installation with more recent software):
Enter the programming level with Code 22; press button 1 and confirm with “Set” until “Acc” appears. Next, disconnect the unit from the mains and reconnect.
A19 LAN/Master-Slave Master and slave not connected Check setting and/or cable
A20 Voltage drop Error display not shown Event is stored in the log file
OL Overload Ambient parameters or heat loss outside of the applicable limits
rSt Reset Manual device reset required,
see “6.2.9 Resetting the Comfort controller”, page 32.
LH Low heat Minimal heat loss inside the enclosure
E0 Display message Connection problem between the display and the controller board Reset: Switch power supply off, then switch on again after approx. 2 sec.
Cable defective; connection loose Exchange the boards

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Tags: #rittal ac unit #rittal air conditioner #rittal aircon error code #rittal panel cooler fault codes

  1. author

    iduy11 months ago

    how to overcome a10 Evaporator fan error ?

    I feel difficult can you help?

    send solution via email

    Reply

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