Table of Contents
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Check items by error code
Symptom
1) Test run
Cause
2) Outside temperature sensor error
3) Relay operation error
Commissioning is in progress?
The outside temperature
sensor operates normally?
The relay operates normally?
Replace the control box and
Replace the heater.
CAUTION
Be sure to maintain the base heater periodically because it has no error code.
12 English
Yes
Yes
heater.
Yes
Yes
It operates normally.
Check operation after removing foreign
materials, or connecting or replacing the
Replace the relay.
Replace the relay.
sensor.
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