LCEQ LHD-12, Руководство пользователя

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5
10.
Trouble Shooting
Fault Possible reasons Solution
Blower running on the
contrary with arrow
①
Blower circuit connection reverse
phase.
①
Exchange two of the electrical
wires.
Blower not running
①
Blower switch connection fault
②
Blower contactor fault
①
Check and change
②
check and change
Blower not running and not
heating
①
Overload jumped
②
Transformer fault
③
Fuse melted.
④
Power supply fault.
①
Check and change
②
Check and change
③
Check and change
④
Check if lack of phase
Blower running but no
heating
①
Heater slip and melted.
②
Magnetic switch fault.
③
Heater pipe fault
④
Power supply fault.
⑤
Thermocouple fault.
①
Check and change
②
Check and change
③
Check and change
④
Check if lack of phase.
⑤
Change.
The blower can run but
temperature is too low
①
Heater fault.
②
Overheat protector breaking.
③
Magnetic switch is lack of phase
④
Temperature controller is
damaged.
⑤
Thermocouple fault.
①
Check and change
②
Check or re-set
③
Check and change
④
Change the temperature
controller
⑤
Change.
The blower can run but
temperature is too high
①
Hot-air pipe is jam.
②
Temperature controller is fault
③
Electromagnetic switch contacts
stuck up.
④
Thermocouple fault.
①
Cleaning
②
Change the temp. Controller
③
Change
④
Check and change
The heater pipe smoking
①
Blower damage
②
Temperature controller fault and
over-heat.
①
Change the blower
②
Check the temperature
controller and change