Maintenance, service and disposal | 7
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7 Maintenance, service and disposal
DANGER
Electrical voltage at terminals and in the device!
Danger to life due to electric shock !
ü
For any work on the device
a) Switch off the supply voltage.
b) Secure it against switching on.
c) Wait until all drives has been stopped in order that no regenerative energy can
be generated.
d) Await capacitor discharge time (min. 5 minutes). Measure DC voltage at the
terminals.
e) Never bridge upstream protective devices. Also not for test purposes.
7.1 Maintenance
The following maintenance work must be carried out as required, but at least once
a year, by authorised and instructed personnel.
• Check the system for loose screws and plugs and tighten if necessary.
• Remove dirt and dust deposits from the devices.
• Checking or cleaning ventilation inlets and outlets. Pay particular attention to
cooling fins and protective grilles of fans (if available).
• Check or clean the exhaust air filter and the supply air filter of the control cab-
inet.
• If available, check the function of the fans of the device. If there are audible vi-
brations or squeaking, replace the fans.
7.2 Service
In case of malfunction, unusual noises or smells inform a person in charge!
In case of failure, please contact the machine manufacturer. He can supply an ap-
propriate original unit or an approved successor item or arrange for maintenance.
CAUTION
Unauthorized exchange, repair and modifications
Malfunctions and failures of connected devices or the machine
a) When replacing, only replace with original filter.
b) Carefully replace the shielding in particular.
Technical support and repairs
KEB offers wide-ranging, complete after-sales technical support. The staff who
deal with this handle questions on the entire range of products skilfully, quickly,
and efficiently.
You can phone our staff in the service department, and they will give you complete,
prompt advice on how to resolve your problems.
Telephone: +49 (0) 5263 401-0
Fax: +49 (0) 5263 401-116
E-Mail:
E-Mail:
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