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Rectify interference
6 720 643 196
(2010/02)
19
2.3.15 Compressor does not reach correct frequency
2.3.16 Fault in HTF pump G3
2.3.17 High temperature electric box
Description: Gives an alarm if the actual value of the compressor speed deviates by >5Hz for two minutes.
See separate fault tracing tree
(
Æ
Chapter 2.4)
Check the supply to the inverter circuit board in the
molex switch on the I/O circuit board.
Tab. 15
Description: Input Di4 low, delay 2 seconds.
See separate fault tracing tree
Æ
Tab. 16
6 720 643 196-13.1I
Description: High temperature on driver circuit board. The temperature is taken from a sensor mounted on the
driver circuit board.
Check
Action
1.
Is the fan in the electric box running?
yes:
Æ
2
no:
B
Check output Do3 on the I/O circuit board.
B
Replace fan or I/O circuit board if necessary.
2.
If there flow through the cooling coil?
The hoses to the electric box should feel
cold under the insulation.
yes:
Does the error message recur?
Æ
3
no:
B
Open the heat transfer fluid circuit and flush
through the cooling coil. Then vent properly.
3.
Thermistor in the driver circuit board
defective.
B
Replace driver circuit board.
Tab. 17
6 720 643 196-14.1I
Summary of Contents for X Series
Page 1: ...Fault tracing tree X11 X15 6 720 619 265 18 1I 6 720 643 196 2010 02 ...
Page 26: ...6 720 643 196 2010 02 26 Notes ...
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