２６
The
fan
doesn
’
t run
1. Check if any connection has come off.
2. Check is the fan is burned.
1. Change the fan.
2. Change the fan.
Electricity
leakage
of
temperature
controller
1. The service time is too long.
2. The environment is too dirty.
3. Humidity is too high.
1. Change temperature controller.
2. Use brush to remove dust.
3. Make the temperature dry and
control the environment humidity.
Temperature
controller out
of order
1. There is leakage of temperature
sensing medium.
2. Damage of cam of contacting point
spring, etc.
Change temperature controller.
The probe of
temperature
sensing tube
doesn
’
t
contact
evaporator
well
It has not been mounted to position or
changed during transportation.
Mount it again.
12.1.12 Procedure for fan change
(1) Switch off power and open the fan protection cover.
(2) Remove the fan bolts by using fork wrench or universal tool.
(3) Loose the fan blade and take it out.
(4) Take the fan out from the space between compressor and tubes.
(5) Mount new fan from the space between the compressor and tubes, put
blade onto position and secure it by using a fork wrench or universal
tool.
(6) Make a test run; check if the operation is normal, if there is any blocking
of blade.
(7)
Make sure not to bend or damage tubing during removal and
installation.
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.1.13 Procedure for temperature controller change
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