Daikin EUWY 24KBZW1 Series, Service Manual, Page: 138 / 210

Malfunction Indications and Safeties Overview ESIE11-02
3–10 Part 3 – Troubleshooting
3
1
3
4
5
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.