52
InfraSuite RowCool Precision Cooling –
Chilled Water
No.
Abnormal
phenomenon
Possible cause
Elimination method
9
There is water
leakage at the
cabinet bottom.
The pipe system leaks.
Inspect and repair the leaking site.
The cabinet is not on a
leveled base.
Use the levelers to level the cabinet.
The thermal insulating
rubber layer of pipe is
damaged.
Inspect and repair the damage site.
10
The EPO does not
act.
The EPO wire goes off.
1) Inspect if the wiring is correct.
2) Contact service personnel to see if the
EPO is set as Off (default: Off).
11
The signals of the
remote sensors are
abnormal.
The remote sensors are
not correctly located.
Inspect each remote sensor’s position.
12
The three-way
ball valve has no
response.
The actuator is not
correctly connected.
Re-set the actuator.
13
It is unable to get
on-line via the
Modbus protocol.
The RS232 or RS485
connector is not correctly
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.
Remove the surplus water, inspect the
condensed water pump or make sure the
condensed water pipe (without bending,
damage or blockage) is correctly connected
and the draining is normal. If upper piping
with condensed water pump is adopted,
make sure the vertical lift does not exceed
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Summary of Contents for HCH1850
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