Fault Messages - REMKO MWL Series Operating And Installation Instructions

REMKO MWL series
12.2

Fault messages

Fault display – Malfunction codes
Error ID Description
The heat pump is disabled due to a dis-
ID6008
able signal
Fault in the external safety chain (high
ID7036
pressure or low pressure switch)
Inverter malfunction
Error occurs regularly and after resetting
the error the heat pump starts immedi-
ID7072 ately
Error occurs occasionally to regularly and
the heat pump does not start after reset-
ting the error
Open contact - mixed circuit return tem-
ID7106
perature probe
Short circuit - mixed circuit return temper-
ID7107
ature probe
Communication malfunction - 1st Heat
ID7109
pump
ID7110 Short circuit - supply air temperature
Probe error
ID7111
Outside air temperature
Probe error
ID7112
Exhaust air temperature
54
Probe Possible causes/remedial measures
S25
The heat sink on the inverter board has
come loose. Initiate service call
Condenser problem, starting current too
high. Initiate service call
S07
S07
Check the plug of the heat pump module
for complete connection to the electric
module, check the cabling for possible
damage (at the plug)
S01
Probe defective. Replace probe. Initiate
service call
Probe not correctly plugged into circuit
board. Initiate service call
Ventilation module plug not plugged in
S46
correctly/defective. Check plug for
damage/correct connection to the electric
module. Initiate service call
Ventilation module not used. Insert venti-
lation module or deactivate ventilation
Probe defective. Replace probe. Initiate
service call
Probe not correctly plugged into circuit
board. Initiate service call
Ventilation module plug not plugged in
S48
correctly/defective. Check plug for
damage/correct connection to the electric
module. Initiate service call
Ventilation module not used. Insert venti-
lation module or deactivate ventilation