Confirmation Of Trial Run - Haier AU96NFTAHA Service Manual

3. Confirmation of trial run

After "confirmation before trial run", trial run as per the following sequence. (Switch on the power of outdoor
unit to electrify the electric heater of crankcase 12 hours before trial run).
For confirmation of trial run, it should be conducted for indoor unit group one by one in principle. When all
indoor unit group run simultaneously for confirmation, there is no way to conduct confirmation of wrong
connection of refrigerant pipe and control wire. Therefore, other indoor unit should be set to "Stop State".
(1) Main power supply and primary confirmation
Whether the running lamp of controller is on
Whether the "standby" of LCD of remote controller is on
Whether the inspection code of remote controller display
Please refer to the inspection code and fault judging
method displayed by the remote controller. For
confirming running state in detail, please refer to the
self-diagnosing function of outdoor unit.
(2) Confirmation of fan running
Set the running mode to fan only, press the running
button
Whether there is air
sent out from the outlet of
Whether there is abnormal sound
Check indoor unit groups one by one in turn.
Yes
No
Yes
Start
indoor unit
Yes
No
Normal
No
Yes
No
No
Check indoor unit fan, fan
motor and fan circuit
Yes
Check the condition around
the fan
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2
Indoor fan does not run
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