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27
Troubleshooting guide (1):
NO.
Trouble
Possible cause
Solution
1
The machine doesn’t
work and the screen
displays
error
code”E8”
①Lack phase sequence.
② stirring shaft’s negative direction
rotation
③main circuit board doesn’t work.
① check the power supply and
wires
②、③replace the parts.
2
Stirring motor does
not work normally and
the screen displays
error code”E2”
① low voltage
②main stirring motor does not work.
③main circuit board does not work.
④a . c . Contactor does not work.
⑤over-current relay does not work.
①improve the power supply
②replace the motor
③ check the wires and plugs, or
replace the circuit board.
④、⑤replace the parts
3
the compressor does
not work properly.
①low voltage
②the compressor is broken.
③over-current relay does not work.
④main circuit board is broken.
①improve the power supply.
②replace the compressor
③replace the over-current relay.
④ check the wires and plugs, or
replace the main circuit board.
4
the mixer does not run ①the motor of mixer is broken.
②main circuit board is broken.
③the mixer cover is broken.
Replace the parts.
5
stirring motor works
continuously.
①the main circuit is broken.
Replace the parts.
6
ice cream is too soft
and the machine keep
working
on
refrigeration.
① the slurry is not enough in the
cylinder.
② ice cream becomes soft
③
the
plastic
scrappers
are
damaged.
④ The room temperature is above
40℃.
⑤the space for exhaust is not enough
⑥leak refrigerant
⑦ the settings of hardness is
incorrect.
⑧the temperature sensor is broken.
① pour more slurry into the
hopper.
② unfreeze and pour some new
slurry in the hopper , then
refrigerate again
③replace the plastic scrappers
④ 、 ⑤ improve the location
condition
⑥ repair the leak and fill in
refrigerant according to the
nameplate parameter.
⑦reset
⑧ replace the sensor of the
cylinder and circuit board
Содержание HM116T
Страница 31: ...31 Circuit Diagram ...