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Check items by error code
Appendix
Symptom Ɵ˵ʪ˵ʪɇϩʪθͱΧʪθɇϩʪϑͱθɇцɇϩϩ˵ʪͱЇϩϑʒʪϩʪΧʪθɇϩЇθʪͱ˙ߧঌA࣑ߦߣছ࣒ͱθ˵˝˵ʪθ
Cause
1) Test run
2) Outside temperature sensor error
3) Relay operation error
Replace the heater.
It operates normally.
Commissioning is in progress?
The outside temperature
sensor operates normally?
Ęͱ
Yes
Check operation after removing foreign
materials, or connecting or replacing the
sensor.
Ęͱ
Yes
Replace the relay.
The relay operates normally?
Ęͱ
Yes
Replace the relay.
Replace the control box and
heater.
Ęͱ
Yes
CAUTION
࡛ Be sure to maintain the base heater periodically because it has no error code.
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