Toshiba HWS-P804XWHM3-E1(TR) Service Manual page 106

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