EElleeccttrriiccaal l ssyysstteemm 1100..6633
The drive motor's speeThe drive motor's speed gradually drops.d gradually drops.
(High drive regulator temperature)(High drive regulator temperature)
4. Look for the break/short circuit in4. Look for the break/short circuit in
the cables between the drive regulatorthe cables between the drive regulator
and the drive motor M1.2 - E2.22 andand the drive motor M1.2 - E2.22 and
M1.3 - E1.11 and between M1.3 andM1.3 - E1.11 and between M1.3 and
M1.4. Both connectors are pulled outM1.4. Both connectors are pulled out
of their connections on the motor andof their connections on the motor and
drive regulator.drive regulator.
5. Is the voltage between the drive5. Is the voltage between the drive
regulator contact points E1 K1.3 andregulator contact points E1 K1.3 and
E1 K1.4 approx. 12V?E1 K1.4 approx. 12V?
YYeses
Check that there Check that there is not is not a a short circuitshort circuit
in the cables between the motor contactin the cables between the motor contact
M1 and the drive regulator contact,M1 and the drive regulator contact,
both connectors are pulled out of theirboth connectors are pulled out of their
connections. Measure between M1.2 -connections. Measure between M1.2 -
E1 M1.3 and between M1.1 and M1.2.E1 M1.3 and between M1.1 and M1.2.
NoNo
6. Switch the regulators. Note that in6. Switch the regulators. Note that in
most cases the drive and pumpmost cases the drive and pump
regulators can be switched with eachregulators can be switched with each
other for test purposes. First check thatother for test purposes. First check that
the article numbers correspond withthe article numbers correspond with
each other.each other.
7. Is there still a fault with the drive7. Is there still a fault with the drive
motor system.motor system.
šš
NoNo
If the fault moves to the pump motorIf the fault moves to the pump motor
system, change the drive regulator thatsystem, change the drive regulator that
is now fitted in the pump regulator'sis now fitted in the pump regulator's
place.place.
YYeses
8. Change the drive regulator.8. Change the drive regulator.
Was the warning text “High tmp driveWas the warning text “High tmp drive
C” visible on the display when theC” visible on the display when the
symptom occurred?symptom occurred?
šš
NoNo
Go to, symptom: high temp in the driveGo to, symptom: high temp in the drive
motor.motor.
YYeses
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