Delta RowCool HCH1CB0, Руководство пользователя, Страница: 55 / 128

Chapter 7 Troubleshooting
5 1
No.
Abnormal
phenomenon
Possible cause Elimination method
13 It is unable to get
on-line via the
Modbus protocol. The RS232 or RS485
connector is not cor-
rectly connected. Re-connect the connector.
The Baud rate setting is
abnormal or the ID does
not match.
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Alarm information on the LCD:
No.
Alarm
Information
Possible cause Elimination method
1 Filter Abnormal
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foreign matter or are old.
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2 Drain Pan Full The condensed water
pipe or the condensed
water pump is abnormal.
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vertical lift.
Remove the surplus water, inspect the
condensed water pump and make sure the
condensed water pipe (without bending,
damage or blockage) is correctly connected
and the draining is normal. If upper piping is
adopted, make sure the vertical lift does not
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3 EPO Active The EPO button on the
control panel is pressed
or emergency stop is
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smoke.
Eliminate the abnormality, reset the circuit
breaker of the unit and re-start the unit to
recover the normal operation.
Emergency stop is trig-
gered due to leakage 1) Eliminate the abnormality, make sure
the water leakage detector is dry, reset
the circuit breaker of the unit and re-start
the unit to recover the normal operation.
2) If the water leakage detector cannot be
dried in a short time, remove the detec-
tor first and reset the circuit breaker of
the unit to recover the operation.
4 Leak Active Leakage is detected. Remove the surplus water and inspect the
water level of the condensed water pan.
Inspect if the drain function is normal and
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no bending, damage or blockage. If upper
piping is adopted, make sure the vertical lift
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