Daikin VAM-FA8VE Technical Data Manual page 225

• HRV • VKM-GA(M)V1
•
The unit does not operate at all.
a. Check if there is a power failure.
Measure: After power has been restored, start operation again.
b. Check if the fuse has blown.
Measure: Turn the power off.
c. Check if breaker has worked.
Measure:Turn the power on with the breaker switch in the off position.
Do not turn the power on with the breaker switch in the trip
position. (Contact your dealer.)
•
If a safety device such as a fuse, a breaker, or an earth leakage
breaker frequency actuates, or ON/OFF switch does not properly work.
Measure: Do not turn the power on.
•
The remote control buttons do not work well.
Measure: Turn off the main power switch.
•
If the display " " (INSPECTION), "UNIT No."
and the OPERATION lamp flash and the
"MALFUNCTION CODE" appears.
Measure: Notify and inform the model name and
what the malfunction code indicates to
your Daikin dealer.
•
There are other malfunctions.
Measure: Stop the unit.
List of malfunction codes of Remote controller of the HRV-system
Operation Inspection
Unit No.
lamp indicator
On Off Blinking
On Off Blinking
On Off Blinking
Blinking Blinking Blinking
Blinking Blinking Blinking
On Off Blinking
Blinking Blinking Blinking
Blinking Blinking Blinking
Blinking Blinking Blinking
Blinking Blinking Blinking
Blinking Blinking Blinking
Blinking Blinking Blinking
Off Blinking Off
Off Blinking Off
Off Blinking Blinking
On Blinking On
Blinking Blinking Blinking
In case of the malfunction with the code in white letters on the black background in the unit still operates.
However, be sure to have it inspected and repaired and as soon as possible.
If other than the above error codes are displayed, there is a possibility that the problem in question
has occurred with a combined air conditioner or outdoor unit. See the operation manuals included
with the air conditioners or outdoor units for details.
• HRV • Heat Reclaim Ventilation
INSPECTION display
Malfunction
code
64 Indoor air thermistor malfunction
65 Outdoor air thermistor malfunction
6A Dumper-related malfunction
6A Dumper-related malfunction + thermistor malfunction
A1 Printed circuit board fault
A1 Printed circuit board fault
A9 Electric expansion valve drive error
Liquid piping thermistor error
C4
(faulty connection, disconnection short circuit, fault)
Gas piping thermistor error
C5
(faulty connection, cut wire, short circuit, fault)
Intake air into coil thermistor error
C9
(faulty connection, disconnection, short circuit, fault)
U3 Test run not performed
U5 Transmission error between the unit and remote controller
U5 Setting error of remote controller
Transmission error between main remote controller and
U8
sub remote controller
UA Incorrect combination with indoor unit and remote controller.
UC Central control address over lapping
Transmission error between the unit and centralized
UE
controller
ON
Switch
Trip position
Breaker
OFF
OPERATION lamp
INDOOR UNIT No. in
which a malfunction occurs
MALFUNCTION CODE
Description
2
8
223