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

Troubleshooting SiE-05C
140 Troubleshooting Inverter K Series
3.15 Outdoor Unit: Actuation of High Pressure Switch
Remote Controller
Display
EE
EE
33
33
Supposed Causes  Actuation of outdoor unit high pressure switch
 Defect of outdoor unit PC board (A1P)
 Instantaneous power failure
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?
Operation
is normal when turned on
again by remote
controller.
Replace outdoor unit PC board A1P.
Actuation of high pressure switch ∗1
YES
YES
There was an instantaneous power
failure or a past safety device actuated.
Re-check refrigerant system.
NO
NO
(VF041)
Contact
S1HP (X10A) or S2HP
(X11A) is open.
SI-05C.BOOK Page 140 Monday, November 6, 2000 4:13 PM
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