Haier H-MRV AF092FCBHA, Service Manual

Page: 188 / 200

H-MRV indoor unit troubleshooting:
1.
Fault description: The float switch or pump motor is broken.
No
Yes
Yes Yes
No No Yes
Yes
2.
Models with wired controller
Models with wireless remote controller
Fault code readout: E1 The Operation light flashes.
Check in accordance with the list of outdoor
fault codes.
Fault description: Failure in outdoor unit
Faults in models with remote controller can be identified by the number of flashes made by fault indicator
of outdoor unit. Check in accordance with the list of fault codes.
3.
No. Models with wired controller Models with wireless remote controller
1 Readout: E3 1 flash of Timer light.
2 Readout: E4 2 flashes of Timer light.
3 N/A 3 flashes of Timer light.
1 Description: Liquid line temperature sensor (Ti) is short-circuit or open-circuit.
2 Description: Suction line temperature sensor (T0) is short-circuit or open-circuit.
3 Description: Ambient temperature sensor is short-circuit or open-circuit.
Models with wired controller Models with wireless remote controller
Fault code readout: E0 11 flashes of Timer light.
Check if the float switch
is open?
Check if the pump is
running?
Check if the
pump is power-
on?
Check if the drain
system is clogged or
the float switch is stuck.
Replace the indoor
PC board
Clean the drain system
and reconnect the
switch.
Check if the switch and
pump connector are in
good condition?
Repair
Replace the
pump
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