Malfunction Of High Pressure Switch - Daikin Skyair FHC35K Service Manual

Si-71A
6.15

Malfunction of High Pressure Switch

+6 +6 +6 +6
Remote Controller
Display
Outdoor Unit LED
A(H1P)
Display
Applicable Models
R(Y)
Method of
Continuity of the high pressure switch is detected by the safety device circuitry.
Malfunction
Detection
Malfunction When the compressor is off and the high pressure switch doesn't have continuity
Decision
Conditions
„ Failure of high pressure switch
Supposed Causes
„ High pressure switch's harness is broken or disconnected
„ Failure of high pressure switch's connector connection
„ Failure of outdoor unit PC board
Troubleshooting
Troubleshooting
ñ ò ò
1(H2P) 2(H3P)
Are
HPS's
for control
and safety NO
connected to the
outdoor unit PC
board?
YES
Check the following
after letting rest for 2
or 3 minutes.
Do
the HPS's
NO
for control and
safety have
continuity?
YES
Troubleshooting by Remote Controller Display / LED Display
Connect correctly
Replace HPS without
continuity.
Replace outdoor unit PC board.
(SF017)
113