Daikin D-BACS, Design Manual

Page: 163 / 376

146 1.11 Error Diagnosing Function
Control Devices
1.11 Error Diagnosing Function
This central remote controller is provided with a diagnosing function, for when an indoor unit stops due to malfunction. In
case of actuation of a safety device, disconnection in transmission wiring for control or failure of some parts, the operation
lamp, inspection display and unit No. start to flash; then, the malfunction code is displayed. Check the contents of the
display, and contact your DAIKIN dealer because the above signs can give you the idea on the trouble area.
The display "
" flashes under the group No. where the indoor unit that has stopped due to malfunction.
[Registration]
1.
Press the ARROW KEY BUTTON to call up the group that has stopped due to malfunction.
The unit No.
the malfunction code is flashing because of an error failure.
3P124623-3A
1
2
3
00 01 02 03
1
2 3
L
UNIT No.
C
Operation
lamp
Maintenance
display
Unit No.
Malfunction
code
Error content
64 Indoor air thermistor error
65 Outdoor air thermistor error
68 HVU error (Ventiair dust-collecting unit)
6A Dumper system error
6A Dumper system error + Thermistor error
6F Simple remote controller error
6H
Door switch (Ventiair dust-collecting unit), relay harness fault
(Ventiair dust-collecting/humidifier unit)
94
Ventiair internal transmission error
(between total enthalpy – fan unit)
A0 Indoor unit · external safety device error
A1
Indoor unit · BEV unit (Sky-Air connection unit) PC board
assembly fault
A1 Indoor unit · PC board assembly fault
A3 Indoor unit · Drain level error (33H)
A6 Indoor unit · Fan motor (51F) lock, overload
A7 Indoor unit · Fan direction adjustment motor (MA) error
A9 Indoor unit · BEV unit, electric expansion valve motor (20E) error
AF Indoor unit · Malfunctioning drain
AH Indoor unit · Dust-collector error
AJ Indoor unit · Insufficient capacity setting, address setting fault