Daikin FHK35FJV1 [120/244] 6 6 6 6

Daikin FHK35FJV1 [120/244] 6 6 6 6
Si-71A Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 109
6.11 High Pressure System (HPS) Malfunction
Romote Controller
Display
(6
(6(6
(6
Outdoor Unit LED
Display
A(H1P)
ñýýý
1(H2P)
ò
2(H3P)
ó
Applicable Models
R(Y)
Method of
Malfunction
Detection
Continuity of the high pressure switch is detected by the safety device circuitry.
Malfunction
Decision
Conditions
Case where high pressure switch is actuated when the compressor is operating
Supposed Causes
<Causes related to PC board>
Failure of high pressure switch
High pressure switch’s harness is broken or disconnected
Failure of high pressure switch’s connector connection
Failure of outdoor unit PC board
<Causes related to product as a whole>
Malfunction of refrigerant piping circuit
Troubleshooting
Note:
Some models are not equipped with an HPS for control or safety.
Is
high pressure
during operation
abnormally
high?
NO
NO
NO
Are
HPS's
for control
and safety
connected to the
outdoor unit PC
board?
(See note)
Do
the HPS's
for control and
safety have
continuity?
YES
YES
YES
Turn off the power
supply and check the
following after letting
the compressor rest
for 2 or 3 minutes.
Connect correctly
Replace HPS without continuity.
Malfunction of refrigerant piping circuit
Replace outdoor unit PC board.
(SF013)

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