Trouble Shooting - Daikin VAM-FA8VE Technical Data Manual

8 Operation
1
8-3 Maintenance
CAUTION
!
8
1. Do not wash the air filter in hot water.
2. Do not dry the air filter over a fire.
3. Do not subject the air filter to direct sunlight.
4. Do not use organic solvent such as gasoline and thinner on the
air filter.
5. Be sure to install the air filter after servicing.
(Missing air filter causes clogged heat exchange element.)
1. Use a vacuum cleaner to remove dust and foreign objects on the surface of the heat exchange element.
Use the vacuum cleaner equipped with a brush on the tip of the
suction nozzle.
Lightly contact the brush on the surface of the heat exchanging
element when cleaning. (Do not crush the heat exchange
element while cleaning.)
2. Install the air filter securely in place.
8-4

Trouble shooting

8-4-1 If your unit does not operate properly, check the following items.
Conditions
The unit does not operate at all.
Amount of discharged air is small and the
discharging sound is high.
Amount of discharged air is large and so is the
sound.
8-4-2 If the following occurs, consult your dealer where the unit was purchased.
Operation lamp
On
On
On
Blinking
Blinking
Off
Off
Off
On
Blinking
In case of the mulfunction 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.
112
• HRV • VAM-FA8VE
Check if there is a power failure.
Check if the fuse has blown or breaker has worked.
Check if the indication of operation control method
on remote control (BRC301B61) is shown.
Check if the indication of operation stand by on
remote control (BRC301B61) is shown.
Check if the air filter and heat exchange element are
clogged.
Check if the air filter and heat exchange element are
installed.
<List of mulfunction codes of Remote control of the HRV-system air conditioner>
Inspection
Unit No.
indicator
Off Blinking
Off Blinking
Off Blinking
Blinking Blinking
Blinking Blinking
Blinking Off
Blinking Off
Blinking Blinking
Blinking On
Blinking Blinking
• HRV • Heat Reclaim Ventilation
The air filter is an optional item and the replacement is available.
CLEANING FREQUENCY
AT LEAST ONCE EVERY TWO YEARS
(FOR GENERAL OFFICE USE)
(CLEAN THE ELEMENT MORE FREQUENTLY IF NECESSARY.)
3. Put the heat exchange element on the rail and insert it securely
in place.
4. Install the maintenance cover securely in place.
CAUTION
!
Never wash the heat exchanger element with water.
Causes
Malfunction
code
64
65
6A
6A
U5 Transmission error between the unit and remote control
U5 Printed circuit board error or setting error of remote control
U8 Transmission error between main remote control and sub remote control
UA
UC
UE Transmission error between the unit and centralized control
Corrective actions
After power has been restored, start operation again.
Change the fuse or set the breaker.
This is normal. Operate the unit using the air
conditioner remote control or centralized control.
(Refer to "2. OPERATION")
It indicates the precooling / preheating operation.
This unit is at stop and will start operation after the
precooling / preheating operation is over.
(Refer to "2. OPERATION".)
Refer to "3. MAINTENANCE".
Refer to "3. MAINTENANCE".
Description
Indoor air thermistor malfunction
Outdoor air thermistor malfunction
Dumper-related malfunction
Dumper-related malfunction + thermistor
Faulty installation setting
Repeated central address
(HC0218)