Owner's manual

LEDs Description of message / LCD text Remedy
M 1234
¾-¼¼¼
Maintainance
Message 14:
Maintenance
required
Operating point of controlleris outside of
permissible tolerance
Pneumatic components have to be checkedand if
necessary readjusted.Filters are possibly blocked
and have to be replaced
M 1234
¾¼¼¼¼
Unforeseen
Message 15: Not defined
Page 63
Troubleshooting Guide
August 2014 POS-UM-00009-EN-02