105
[P05]
<Indication 1> <Indication 2>
[Power source failure (voltage defective, open phase)]
[P07]
<Indication 1> <Indication 2>
[Heat sink overheat failure]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
Check outdoor control board
If defective, replace it
Check electric work
Yes
No
Power voltage abnormal drops or rise
(AC220-230 V±10 %: single phase)
PC board
P804HR-E1,
P1104HR-E1
(MCC-1571)
Check outdoor control board
If defective, replace it
Yes
Yes
No
The screws are loose in
motor drive element,
Q200/300/400, of outdoor
control board and rectifier,
DB01/02/03. (MCC-1571)
Radiation grease was not
applied to backside of
Q200, DB01, DB02,
or DB03.
No
Is not the ventilation flue
of the heat sink blocked?
Is not the fan blocked?
(Short-circuit, etc.)
HWS-P804HR-E1, P1104HR-E1
Remove obstacles,
Deal with short circuit
Apply radiation grease as
needed Tighten screws
(Be sure to place back the
insulation sheet between
Q300/400 and the heat
sink.)
AMP Air Conditioning
www.ampair.co.uk | [email protected]