Troubleshooting - Daikin MC30YVM Operation Manual

Troubleshooting

 Before making an inquiry or a request for repair, please check the following.
If the problem persists, contact the place of purchase.
 In the event of malfunction during operation
If the indicator lamps light up abnormally, or become inoperable, due to a lightning strike etc., remove the
power supply plug, wait at least 5 seconds then reinsert the power supply plug and turn the unit on again.
Not a problem
This case is not a problem.
 Unit does not respond
Phenomenon
No response even if
pressed
 Sounds can be heard
Phenomenon
Hissing sound during
operation
Whistling and fl uttering sound
during operation
Operating sound is loud
 Indicator lamps
Phenomenon
Indicator lamps do not light up
Indicator lamps turn off about
10 seconds after the unit is
turned on
is
• To protect the system, the unit may stop operating after
sudden large voltage fl uctuations.
If operating at the time, operation will resume automatically
once voltage returns to normal.
Voltage range protection: 198V-264V
While the Streamer is operating, the Streamer unit will emit a
hissing sound when conducting Streamer discharge.
Depending on usage, the sound may fall in volume or change to
a crackling, whirring, or guzzling sound. However, this is normal.
If the sounds are an issue, try moving the unit to a different
location. ►Page 12
• Is there a buildup of dust on the pre-fi lters?
 Clean this part. ►Page 13
• Is the dust collection fi lter clogged up?
 Depending on usage conditions, the dust collection fi lter
may become clogged up, shortening its service life.
►Page 7
Replace the dust collection fi lter. ►Page 14
• Is the dust collection fi lter attached properly?
 If it is not properly attached, operating sounds may become
louder. ►Page 14
• Is indicator lamp brightness set to OFF?
 If indicator lamp brightness is set to OFF, all lamps except
the ON-OFF lamp will remain off.
 If indicator lamp brightness is set to OFF, after the unit is
turned on, the brightness of the indicator lamps will be DIM
for about 10 seconds and then turn OFF. ►Page 11
Troubleshooting
Check
Please check again before requesting
repairs.
Check points
Check points
Check points
18