Eurotherm Drives 635, Product Manual

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Product-manual Model: 635/DER u. 635/K DER 07-01-05-06-E-V1002.doc
Diagnosis and trouble shooting
7-segment display
Display Explanation output
Ready output
2)
Warning
Comment
overtemperature of the output
stage (> 95°C)
1) 1)
adequate cooling of the drive?
ambient temperature too high?
overvoltage on DC bus
1) 1)
ballast module ok?
adequate ballast module?
chassis shorting and short circuit due to
hardware off off motor cabling ok?
digital-loops setup ok?
short circuit to chassis in the motor?
braking resistor: ohm- value too low?
try to start fresh!
send in for repair
*
WARNING!
overload of the regulator I²t or motor I²t
or temp.-output stage too high.
If no reaction within approx. 3sec.it
switches off with signals /3/, /4/ or /5/.
Signal /8/ clears when there is no more
danger or it is switched off on
1)
mechanics stiff?
defective bearings;
cold grease?
reduce requirements and creep to next
possible STOP
overtemperature motor (NTC/PTC) off check overload of the motor / cooling
etc.
*
motor tempera-ture too high on
1)
check overload of the motor / cooling
etc.
ballast active
Brake vigour is removed
warning I²t ballast too high on
1)
ballast resistance usage >90%
switch off ballast on
1)
ballast resistance overloaded
*
tracking window exceeded only in operation mode position control,
will be deleted with the next run-
command
tracking error with switch off only in operation mode "position
control"
Memory-Checksum-Error off off try new start
1)
Reaction to these errors see chapter 3.3
2)
With configuration corresponding chapter 3.1
* Only warning respect. status indicator
The error signals are shown as long as there is control voltage (Us), also when the power (DC-Bus) is switched off for safety reasons.