Zoomlion QY30V, Manual

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06 - 9 06 - 9
,,
can not output can not output
signals.
signals.
A A d d d d i i t t i i o o n n a a l l e e q q u u i i p p m m e e n n t t
Probl Probl em em Cause Cause Remedy Remedy
When the relay When the relay
of motor is of motor is
electrified, it electrified, it
can not output
can not output
signals.
signals.
The The relay relay or or control control panel panel fails. fails. Replace Replace control control panel. panel.
The motor can The motor can
not rotate.
not rotate.
The main motor can not rotate after The main motor can not rotate after
it is electrified or the rotational speed
it is electrified or the rotational speed
is too low.
is too low.
Check motor connection. Pull Check motor connection. Pull
out plug to check motor, if it can
out plug to check motor, if it can
not rotate or the rotational speed
not rotate or the rotational speed
is low, replace motor. Otherwise
is low, replace motor. Otherwise
replace the control panel.
replace the control panel.
The water The water
temperature
temperature
sensor is
sensor is
short-circuited.
short-circuited.
There is water in sensor or the There is water in sensor or the
circuit board is wet.
circuit board is wet.
Replace sensor or control box. Replace sensor or control box.
The water The water
temperature
temperature
sensor breaks.
sensor breaks.
The sensor line breaks off or the The sensor line breaks off or the
circuit board fails.
circuit board fails.
Replace sensor or control box. Replace sensor or control box.
The flame The flame
detector can
detector can
not be ignited.
not be ignited.
The flame detector does not output The flame detector does not output
flame signal.
flame signal.
Check connection of flame Check connection of flame
detector, replace the detector or
detector, replace the detector or
control panel.
control panel.
Extinguish Extinguish
flame during
flame during
burning.
burning.
Extinguish flame during burning and Extinguish flame during burning and
can not burn again.
can not burn again.
If the oil tank is short of oil, add If the oil tank is short of oil, add
oil; If the oil pipe leaks, tighten
oil; If the oil pipe leaks, tighten
or replace it; replace
or replace it; replace
short-circuited flame detector
short-circuited flame detector
and control box.
and control box.
Strong Strong
interference
interference
Other interferences. Other interferences.
Close other interference source, Close other interference source,
replace control panel.
replace control panel.
The ignition The ignition
plug breaks.
plug breaks.
The ignition plug burn out or the line The ignition plug burn out or the line
looses.
looses.
Fasten connection, replace Fasten connection, replace
ignition plug.
ignition plug.
The ignition The ignition
plug is
plug is
short-circuited.
short-circuited.
It It is is short-circuited. short-circuited. Check Check it. it.
The ignition The ignition
plug relay has plug relay has
no output
no output
signal.
signal.
The The relay relay or or the the control control panel panel fails. fails. Replace Replace control control panel. panel.