Actuation Of Protection Device - Daikin SkyAir Super Inverter 70 D Series Service Manual

Troubleshooting by Remote Controller Display / LED Display

6.14 Actuation of Protection Device

E0
Remote
Controller
Display
Applicable
RZP71~140D
Models
Method of
The protection device input circuit checks the actuation of each individual protection device.
(Batch detection of all protection devices)
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
148
Actuation of outdoor unit protection device
Faulty outdoor unit PC board
Instantaneous power failure
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Are compressor
lead wires correctly
connected?
YES
Disconnect the compressor
lead wires, then measure
insulation resistance between
compressor terminals and
ground.
Insulation
resistance<5MΩ
NO
With the compressor lead
wires disconnected, turn on
again.
Is "L9" displayed?
NO
NO
Connect the connectors or
terminals, and turn on
again.
YES
Replace the compressor.
YES
Replace the compressor.
Replace the outdoor unit
PC board.
SiE25-110
(S2580)
Troubleshooting