Daikin VRV R-407C PLUS Series, Руководство по обслуживанию

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Troubleshooting SiE 00-07
128 Troubleshooting R-407C PLUS Series
3. Troubleshooting
3.1 Indoor Unit: Error of External Protection Device
Remote Controller
Display
A0
Supposed Causes Actuation of external protection device
Improper field set
Defect of indoor unit PC board
Troubleshooting
3.2 Indoor Unit: PC Board Defect
Remote Controller
Display
A1
Supposed Causes Defect of indoor unit PC board
Troubleshooting
(VF029)
Indoor unit PC board replacement.
Actuation of external protection device.
Change the second code No. to "01" or
"02" .
External
protection device is
connected to terminals T1 and
T2 of the indoor unit
terminal block.
ON/OFF
input from
outside (mode No. 12,
first code No. 1) has been
set to external protection
device input (second
code No. 03)
by remote
controller.
YES
NO
NO
YES
Turn power supply OFF, then
power ON again.
Does the system return to
normal?
YES
External factor other than
malfunction (for example, noise
etc.).
Replace the indoor unit PC
board.
(V0816)
NO