Outdoor Unit: Actuation Of High Pressure Switch - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 140 Monday, November 6, 2000 4:13 PM
Troubleshooting

3.15 Outdoor Unit: Actuation of High Pressure Switch

E E E E 3 3 3 3
Remote Controller
Display
Supposed Causes
Troubleshooting
∗1: Actuation of high pressure switch (HPS)
The outdoor unit PC board's connector is disconnected.
Is the outdoor unit heat exchanger dirty?
Defect of outdoor fan
Is the refrigerant over-charged?
140
Actuation of outdoor unit high pressure switch
Defect of outdoor unit PC board (A1P)
Instantaneous power failure
Contact
YES
S1HP (X10A) or S2HP
(X11A) is open.
NO
Operation
YES
is normal when turned on
again by remote
controller.
NO
Actuation of high pressure switch ∗1
There was an instantaneous power
failure or a past safety device actuated.
Re-check refrigerant system.
Replace outdoor unit PC board A1P.
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Troubleshooting Inverter K Series
SiE-05C
(VF041)