Delta RowCool HCH1CD0, Руководство пользователя, Страница: 47 / 60

43
Chapter 7 Troubleshooting
Chapter 7: Troubleshooting
WARNING:
7KHIROORZLQJWURXEOHVKRRWLQJDFWLRQVFDQRQO\EHFDUULHGRXWE\TXDOL¿HGVHUYLFHSHUVRQQHO
Unauthorized action may lead to major danger or equipment damage.
System troubleshooting:
No.
Abnormal
phenomenon
Possible cause Elimination method
1
The fans cannot
start.
The power supply is
abnormal.
Make sure the input voltage is within the
permissible range, the circuit breaker or
switch is set at
ON , and the cooling unit is
correctly grounded.
The fans are abnormal.
Make sure that each fan wiring is
normal and change the abnormal fans if
necessary.
2
The cooling unit
cannot start.
The input voltage is
abnormal.
&RQ¿UPWKDWLQSXWYROWDJHLVZLWKLQWKH
tolerable range of rated value, and the
breaker or switch is put in
ON position
and properly grounded.
2. If the voltage and the other things are
normal, contact service personnel to
see if the unit setting is wrong.
The EPO is triggered.
The main switch or breaker’s handle is
at the middle position. Adjust the handle
down to the
OFF position and then lift it to
the ON position and supply the power.
The heater protector is
triggered.
Use a multi-meter (short circuit is normal)
to inspect if the over-temperature protector
is triggered. If it is triggered, contact
service personnel to carry out reset (the
heater should be removed). After reset,
FRQ¿UPLIWKHXQLWRSHUDWHVQRUPDOO\
3
Forgot the
password? Forgot the user password or
admin password?
Contact service personnel.