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Fault Phenomenon and Solution:
Symptom
Corrective Action
The power light does not light
up, the water pump does not
work, water does not flow in the
water pipe and the fan does not
work.
1 Inspect whether the power line is connected correctly.
2 Inspect and confirm that input cables are connected to
power supply.
3 Inspect whether the patch cord of the main board is
loose. If so, please tighten it
The power light lights up, the
water pump does not work,
water does not flow in the water
pipe and the fan does not work.
The flow warning light lights up.
1 Inspect whether the fan gets stuck by foreign matters. If
any, remove foreign matters.
2 Inspect whether the patch cord of the main board is
loose. If so, please tighten it
3 Inspect whether the main board outputs DC24V. If not,
replace the main board.
The power light lights up, the
water pump does not work,
water does not flow in the water
pipe and the fan works properly.
The flow warning light lights up.
1 Inspect whether the patch cord of the main board is
loose. If so, please tighten it
2 Inspect whether the main board outputs DC24V. If not,
replace the main board.
3 The water pump works properly at DC24V. If the water
pump does not work, it is damaged and should be
replaced.
The power light lights up, the
water pump works properly,
water flows in the water pipe
and the fan does not work.
1 Inspect whether the fan gets stuck by foreign matters. If
any, remove foreign matters.
2 Inspect whether the patch cord of the main board is
loose. If so, please tighten it
3 Inspect whether the main board outputs DC24V. If not,
replace the main board.
4 The fans works properly at DC24V. If the fan does not
work, it is damaged and should be replaced.
The power light lights up, the
water pump works properly,
water flows in the water pipe
and the fan works properly. The
flow warning light lights up.
1 Inspect whether internal lines are loose. If any, please
tighten them.
2 Inspect whether the flow switch works properly. If water
flows in the water pipe, the flow switch is opened.
Otherwise, the flow switch is closed. In case of
abnormalities, please replace the flow switch.
3 If coolant contains impurities, the flow switch will break
down or be damaged. Please replace the flow switch.
