Inficon Modul1000 Operating Manual page 114

No. Displayed Message
Service interval of fan filter has
W18
expired!
EEPROM time-out for write
W21
instruction
Overflow of EEPROM
W22
parameter queue
External supply voltage (24 V)
E23
too high
External supply voltage (24 V)
E24
too low
Reduced valve voltage too low
E25
(<7 V)
E26 Monitoring voltage F3, F4
E27 Monitoring voltage F3, F4
Real time clock has been reset!
W28
Please enter date and time!
E29 24V supply for fans is defective.
The offset voltage of the pre-
W31
amplifier is too high. (>5 mV)
Pre-amplifier temperature is too
W32
high. (>60°C)
Pre-amplifier temperatre is too
W33
low. (<2°C)
10-2
Error Messages and Warnings
Description and possible solutions
The service interval for the fan filter chassis has expired!
Replace the fan filter and acknowledge the service.
Write instruction from the MC68 to the EEPROM was not acknowledged.
E-EPROM defective.
Defect in cross wiring
MC 68 is defective
Software problem.
Please contact the INFICON Service!
Voltage monitoring input AD24 A/B > 11.5 V.
External power supply on one of the 24 V outputs of the terminal connector of the
interface board.
Voltage monitoring input AD 24 A/B < 2.5 V.
Check the fuses F1 to F4 on the interface board. At least 2 fuses failed.
Reduced valve voltage on E/A board (<7V)
E/A board is defective.
MC 68 control board is defective..
Voltage monitoring for fuses F3, F4 AD 24 A < 5,6 V.
Fuse F3 interface board (SSK) defective.
Voltage monitoring for fuses F3, F4 AD 24 A < 7.8 V.
Fuse F4 interface board (SSK) defective.
Real time clock has been reset!
Battery at MC68 is discharged or faulty.
MC68 has been replaced.
Power supply unit for fans is defective < 20 V.
Fuse F11 on wiring backplane has blown.
Fan polarity has been interchanged.
Offset voltage of pre-amplifier without emission > 5 mV.
The pre-amplifier is faulty.
Defective voltage supply of pre-amplifier.
Defective MC 68 control board.
The temperature of the ambience is too high.
Heat accumulation due to unfavourable placement of the module.
Air filter dirty and have to be changed.
The temperature sensor in the pre-amplifier is defective.
Defective MC 68 control board.
Ambient temperature is too high.
The temperature sensor in the pre-amplifier is defective.
Defective MC 68 control board.