50
Trouble shooting
Error on EEV step control
ĮЇϩʒͱͱθЇ̈͝ϩʒ̈ϑΧ̷ɇц
Ęࢩ
Description
In
Cool
͔ͱʒʪࡥkkǤϑϩʪΧ̈ϑʀͱ͝ϩθͱ̷̷ʪʒϩͱ͔͔̈̈͝Ї͔ߤߥߢϑϩʪΧϑɇ͝ʒ͔ɇӱ͔Ї͔ߣߩߢߢ
ϑϩʪΧϑÃ͝²ʪɇϩ͔ͱʒʪࡥϩ˵ʪkkǤϑϩʪΧ̈ϑʀͱ͝ϩθͱ̷̷ʪʒϩͱ͔͔̈̈͝Ї͔ߣߢߢߢϑϩʪΧϑ
Reason
•
Ɵ˵ʪ̷ͱʀɇϩ̈ͱ͝ͱ˙kǤÃĘࢩĮƸƟϑʪ͝ϑͱθ̈ϑ͝ͱϩʀͱθθʪʀϩ
• EEV coil is reversed.
•
̷̷ͱθΧɇθϩͱ˙kkǤʀͱ̷̈̈ϑʒʪϩɇʀ˵ʪʒ
• Refrigerant is overcharged.
1. Checking method
Ãϑϩ˵ʪ̷ͱʀɇϩ̈ͱ͝ͱ˙kǤÃĘϑʪ͝ϑͱθʀͱθθʪʀϩ
No
ϩϩɇʀ˵ϩ˵ʪkǤÃĘϑʪ͝ϑͱθϩͱϩ˵ʪɵθɇ͝ʀ˵ʪʒΧ̈Χʪ
between the distributor and the heat exchanger
and to the close part of the heat exchanger.
Check the status of sensor attachment. (Refer
ϩͱΧߣߨ࣒
Ãϑϩ˵ʪ̷ͱʀɇϩ̈ͱ͝ͱ˙kǤĮƸƟϑʪ͝ϑͱθʀͱθθʪʀϩ
No
Ãϑϩ˵ʪkkǤӥθʪʀͱ͝͝ʪʀϩʪʒϩͱť9
No
Is the amount of added refrigerant
enough?
No
ŵʪΧ̷ɇʀʪϩ˵ʪƊƊࣱǽʀͱ͝ϩθͱ̷ť9
Yes
Yes
Yes
ϩϩɇʀ˵ϩ˵ʪkǤĮƸƟϑʪ͝ϑͱθϩͱϩ˵ʪθʪɇθΧɇθϩͱ˙
the heat exchanger header. Check the status of
ϑʪ͝ϑͱθɇϩϩɇʀ˵͔ʪ͝ϩ࣑ŵʪ˙ʪθϩͱΧߣߨ࣒
A˵ʪʀ̧ϩ˵ɇϩϩ˵ʪkkǤӥθʪ̈ϑѣθ̷͔цʀͱ͝͝ʪʀϩʪʒϩͱ
ϩ˵ʪť9ʀͱ͝͝ʪʀϩͱθ
Charge the appropriate amount of refrigerant.
Yes
Summary of Contents for MCM-D211UN
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