Help please

[AGSelec]

Ok I am missing something. Ok I have a cool or cosy brand well I don't the customer does cheap Chinese crap. company now finished that supplies them.


On arrival circuit breaker off fuse on indoor PCB blown. Replaced fuse than up and away.

Anyway problem. Reverseing valve turning on in cooling mode!!! outdoor fan and compresser on as they they should

Replaced indoor PCB pipe thermistor, thermostate and remote receiver with another units parts that is not being used. Still doing it what am I missing.

[r.bartlett]

is power going to the sol valve and can you hear click

[martinw58]

on sone units the snow flake means unit heating and sun means cooling what hapens when you run in heating

[AGSelec]

Ok it's not pre heating before indoor fan starts. Straight away 240v from indoor unit to RV

[tonyelian]

hi
as i understand pipe thermistor can not make circuit breaker off indoor fan must be checked transformer 220-12volts each one can do so

[r.bartlett]

Ok it's not pre heating before indoor fan starts. Straight away 240v from indoor unit to RV

check the interconnect wiring is correct

[AGSelec]

The indoor card has two relays one for outdoor fan one for RV both turning on. Have checked and changed pipe thermistor and thermostate and indoor PCB and remote receiver.