Vivax ACP-12CT35GECI, Service Manual

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42
Troubleshooting
Compressor losing of synchronism H7 blinks 7 times
Compressor start failure Lc blinks 11 times
High discharge temperature protection of
compressor
E4 blinks 4 times
Overload protection ES blinks 8 times
Complete unit overcurrent protection E5 blinks 5 times
Phase current overcurrent protection P5 blinks 15 times
Module current protection H5 blinks 5 times
Compressor phase-lacking or counter
phase protection
Ld
4-way valve commutation malfunction U7 blinks 20 times
PFC overcurrent malfunction HC blinks 6 times
Over power protection L9 blinks 20 times
High voltage protection PH blinks 11 times
Low voltage protection
Displayed on the
remote controller in
200s; display on the
nixie tube after 200s
PL blinks 21 times
Complete unit current protection with
limiting frequency or lowing down
frequency
Displayed on the
remote controller
F8 blinks 8 times
Module current protection with limiting
frequency or lowing down frequency
Displayed on the
remote controller
En
Overhigh discharge with limiting
frequency or lowing down frequency
Displayed on the
remote controller
F9 blinks 9 times
Freeze protection with limiting frequency
or lowing down frequency
Displayed on the
remote controller
FH blinks 2 times blinks 2 times
Overload with limiting frequency or
lowing down frequency
Displayed on the
remote controller
F6 blinks 6 times
Module temperature protection with
limiting frequency or lowing down
frequency
Displayed on the
remote controller
EU blinks 6 times blinks 6 times
Oil return in cooling mode
Displayed on the
remote controller
F7 blinks 7 times
Cold blow protection
Displayed on the
remote controller
E9 blinks 9 times
Freeze protection
Displayed on the
remote controller
E2 blinks 2 times