Display Of Remote Control Unit; Full On/Off Function Of Outdoor Unit Pmv - Haier AU96NFTAHA Service Manual

11. Display of remote controller
In the following cases, the remote controller will display "standby" or "preheat defrost".
1) "standby" display
The fan may run, but the indoor unit PMV does not start (refrigerant does not circulate).
1 Capability overloading of indoor unit
When the total Hp of indoor unit exceeds 1.35 times that of outdoor unit, indoor unit will enter into state of
stand-by.
It also displays inspection code "89", in addition to displaying "standby".
2 When the heating of outdoor unit is preferential
When outdoor unit conducts heat running, indoor unit set to the cool mode will enter into the state of stand-
by.
Display "standby", but do not display inspection code.
3 Cool running of outdoor unit
When the outdoor unit only sets cool running mode, indoor unit set to heat mode will be in the state of stand-
by.
Display "standby", but do not display inspection code.
4 Control when the indoor running Hp does not reach 0.8 HP
When the indoor total running HP does not reach 0.8 Hp, indoor unit set to run will be in the state of stand-
by.
Display "standby", but do not display inspection code.
The setting of indoor HP may be wrong, please confirm the setting of SW05 again.
2) "preheat defrost" display
The fan of indoor unit may stop.
After beginning heat running, when the heat exchanger is not hot enough, "preheat defrost" will display.
1
After the heat exchanger becomes hot, the display "preheat defrost" will disappear, and the fan will begin
running.
Refrigerant under heat mode: when conducting oil recovery control, the indoor unit under the mode other
2
than heat or stop after its heat reaches the set temperature will stop the running of the fan, and display "preheat
defrost". But the indoor unit stopping before refrigerant and oil recovery will not display "preheat defrost".
12. Full ON/OFF function of indoor unit PMV
It can force the indoor unit to use the function of PMV full ON, OFF, medium opening, and maintain 2
minutes.
CN31
Opening
Opening
Short circuit
Short circuit
CN30
Opening
Short circuit
Opening
Short circut
Medium opening (Between full On and full OFF)
104
PMV opening
Normal running
Full ON
Full CLOSE
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