Malfunction Indications and Safeties Overview ESIE11-02
3–10 Part 3 – Troubleshooting
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Resetting warnings During normal operation, the display of the controller may start flashing, alternately showing the inlet
water temperature and the following warning code:
■ hc1: indicates that the compressor 1 requires maintenance: the total running hours of the
compressor 1 (direct parameter c10) has exceeded the setting of the timer threshold for
maintenance warning (user parameter c14).
■ hc2: indicates that the compressor 2 requires maintenance: the total running hours of the
compressor 2 (direct parameter c11) has exceeded the setting of the timer threshold for
maintenance warning (user parameter c14).
To reset the maintenance warning hc1 or hc2, proceed as follows:
Remark Do not forget to carry out the required maintenance activities after resetting the timers.
Besides resetting timer c10 and c11, it is also possible to reset timer c15 (running hours of pump) in
the same way.
Step Action
1
Consult c10 running hours of compressor 1 or c11 running hours of compressor 2.
2 When c10 or c11 parameter value is displayed, press the C and D key
simultaneously for 5 seconds. The value of the timer becomes
0 and the warning is reset.
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