Troubleshooting - Daikin MC40YPVM Operation Manual

Troubleshooting

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
Unit will not operate
„ 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
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• To protect the system, the unit may stop operating after sudden large
is pressed
voltage fl uctuations.
If operating at the time, operation will resume automatically once voltage
returns to normal.
Voltage range protection: 180V-264V
• Is the streamer unit cover attached?
If it is not attached the safety switch will engage, and the unit cannot operate.
 Install the streamer unit cover properly and attempt operation again.
• While the streamer is operating, the streamer unit will emit a hissing sound
when conducting streamer discharge.
Depending on usage conditions, 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.
• Is there a buildup of dust on the pre-fi lter?
 Clean this part.
• Is the dust collection fi lter clogged up?
 Depending on usage conditions, the dust collection filter may become
clogged up, shortening its service life.
Replace the dust collection filter.
• Is the dust collection fi lter attached properly?
 If it is not properly attached, operating sounds may become louder.
• 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.
Check
Please check again before requesting repairs.
Check points
Check points
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Check points
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