Delta RowCool HCH1CB0, User Manual, Page: 57 / 128

Chapter 7 Troubleshooting
5 3
No.
Alarm
Information
Possible cause Elimination method
19 Remote # T High 1) The environment tem-
perature and humidity
are abnormal.
2) The alarm setting is
abnormal.
3) The remote sensor #
is abnormal.
4) The load is too large.
1) Inspect if the environment temperature
and humidity are within the operation
scope.
2) Inspect if the out-of-range alarm setting
is correct.
3) Inspect the # remote sensor function.
4) If the temperature is still too high after
eliminating the above problems, please
FRQILUP WKH ORDG GRHV QRW H[FHHG WKH
cooling capacity of the cooling unit.
20 Remote # T Low
21 Remote # RH
High
22 Remote # RH
Low
23 Water In T High 1) The temperature or
ÀRZUDWHRIWKHFKLOOHG
water supplied by the
chiller is abnormal.
2) The alarm setting is
abnormal.
1)
,QVSHFWWKHWHPSHUDWXUHDQGÀRZUDWHRI
the chilled water.
2) Inspect if the out-of-range alarm setting
is correct.
24 Water In T Low
25 Water Flow High
26 Water Flow Low
27 Run Over Hours The periodic maintenance
has not been performed.
To guarantee the normal operation of the
system, carry out the maintenance immedi-
ately.
28
+XPLGL¿HU
1) The humidifying water
has a too high con-
ductivity.
2) The humidifying water
has a too low conduc-
tivity.
3) The humidifying inlet
valve is abnormal.
4) The humidifying drain
valve is abnormal.
5) The humidifying cylin-
der abnormal.
Inspect the humidifying cylinder.
29 Heater # Failed 1) The # heater connec-
tion is incorrect.
2) The re-heating protec-
tor is tripped.
1) Make sure the # heater connection is
correct.
2) Make sure the fans run normally.