Troubleshooting
Si71-502
90
Operation Manual
5. Troubleshooting
5.1
The Following Situations are not Malfunctions
• Operation does not start.
<Symptom>
The icon “
” (under centralized control) is displayed on the remote controller and pressing
the on/off button causes the display to blink for a few seconds.
<Cause>
This indicates that the central device is controlling the unit.
The blinking display indicates that the remote controller cannot be used.
<Symptom>
The fans rotates after 1 minutes when pressing on on/off button.
<Cause>
This indicates that the operation is in preparation.
Wait for about 1 minute.
• Operation stops sometimes.
<Symptom>
“U5” is displayed on the remote controller and the operation stops but then restarts after a few minutes.
<Cause>
This indicates that the remote controller is intercepting noise from electrical appliances other than the
HRV unit, and this prevents communication between the units, causing them to stop.
Operation automatically restarts when the noise goes away.
• “
” is displayed on the remote controller.
<Symptom>
It displays immediately after the power is turned on, and disappears after several seconds.
<Cause>
This indicates that the unit is checking whether or not the remote controller is normal.
It is only displayed temporarily.
5.2
If One of the Following Malfunctions Occurs, Take the Measures Shown Below
and Contact Your Daikin Dealer
The system must be repaired by a qualified service person.
DO NOT CHECK AND REPAIR OPENING INSIDE THE UNIT BY YOURSELF.
Warning
When the HRV is in abnormal conditions (smell of something burning, etc), cut off the power, and
contact your dealer.
Continued operation under such circumstances may result in a failure, electric shock, and fire.
• 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.
Switch
ON
OFF
Trip position
Breaker
Summary of Contents for VAM 350GJVE
Page 7: ...Introduction Si71 502 vi 1 1 1 Cautions in Operation and Maintenance...
Page 8: ...Si71 502 Introduction vii...
Page 13: ...General Constructions Si71 502 4 General Constructions...
Page 29: ...Maintenance Si71 502 20 Maintenance...
Page 43: ...Circuit Operations Si71 502 34 Circuit Operations...
Page 103: ...After sales Service Si71 502 94 Operation Manual...
Page 106: ...Si71 502 Appendix Appendix 97 VAM1500GJVE VAM2000GJVE...
Page 107: ...Appendix Si71 502 98 Appendix...
