The Unit Is Turned On But The Compressor Is Not Starting - Daikin ESIE13-02 Service Manual

ESIE13-02
1.2.8 The Unit is Turned on but the Compressor is not Starting (Space Heating or
Domestic Heating)
EHB*CA, EHV*CA, ERHQ011~016*, ERLQ004~016*
Applicable models
Error detection
method
Error generating
condition
Supposed causes -
corrective action
Possible causes
The unit must start up out of its operation range
(the water temperature is too low).
Corrective action
In case of low water temperature, the system uti-
lizes the backup heater to reach the minimum
water temperature first (18°C).
Check that the backup heater power supply is

correct.
Check that faston terminals are connected

correctly (instruction can be found in the
Installer Reference Guide in Appendix on
page 35).
Check that the backup heater thermal fuse is

closed.
Check that the thermal protector backup

heater is not activated.
Check that the backup heater contactors are

not broken.
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Troubleshooting
Part 4 – Troubleshooting
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