Troubleshooting By Indication On The Remote Control; A0" Indoor Unit: Error Of External Protection Device - Daikin VRVIII-S Service Manual

Troubleshooting by Indication on the remote control

3. Troubleshooting by Indication on the remote
control
3.1

"A0" Indoor Unit: Error of External Protection Device

A0
remote control
Display
Applicable
All indoor unit models
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
! Actuation of external protection device
Causes ! Improper field set
! Defect of indoor unit PC board
Troubleshooting
122
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
External protection
device is connected to YES
terminals T1 and T2 of
the indoor unit terminal
block.
NO
ON/OFF input from
outside (mode No. 12,
first code No. 1) has
YES
been set to external
protection device input
(second code No. 03)
by remote control.
NO
SiENBE34-703
Actuation of external protection
device.
Change the second code No. to
"01" or "02" .
Indoor unit PC board replacement.
(V2776)
Troubleshooting