Haier MRV II Instruction Manual page 124

[09]indoor address repeated
if wiring between P and
Q is normal
if communication wire is
connected with multi
if indoor QTY conn ected with
outdoor is normal
check o utdoor connecting board,
if faulty, replace it
[61]master unit IPM (power module) alarms
if the fan connected with CN5
on master unit connecting board
is installed well
if power module wiring is abnormal
check if outdoor master unit module
board is faulty, if yes, replace it
yes
outdoors
no
yes
yes
no
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no
modify the wiring
yes
modify the communication wire
no
no
modify the installation
yes
modify the wiring
Part 3