
Safety functions and error display
Safety functions and error display
ERROR CODE
ERROR DESCRIPTION
INSTRUCTION MANUAL
ER03
Permanent use of keys; Control unit cuts off
after 10 sec
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE
ER20
Flash-failure. Microcontroller faulty
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE
ER21
Control unit cuts off after controlling due to
overheating to avoid damage to electronics
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE
U400
Secondary voltage of the power unit to high
(primary>300V). Control unit cuts off aftre 1
sec releasing a permanent tone.
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE
ER22
Defective Key evaluation. Control unit cuts
off after 3.5 - 7.5 sec.
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE
ER36
NTC value is not within its specification
(value <200mV or >4.9V; control unit cuts
off.
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE
ER40
Secondary operational voltage is min.5 sec
too low according to identified
Unterspannung (1.8V<U<2.9V)
contact the AUTHORIZED SERVICE CENTRE
FOR TECHNICAL ASSISTANCE - SPECIFYING
THE ERROR CODE