GB
WIKA operating instructions attachable indicator, models A-AS-1, WUR-1
18
2437704.05 10/2012 GB/D/F/E
7. Maintenance and cleaning / 8. Faults
7. Maintenance and cleaning
7.1 Maintenance
This LED attachable indicator is maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
■
Prior to cleaning, disconnect the LED attachable indicator from the
power supply.
■
Clean the instrument with a moist cloth.
■
Electrical connections must not come into contact with moisture.
For information on returning the instrument see chapter 9.2 "Return".
8. Faults
If the instrument detects any fault conditions, the corresponding error code will be
displayed.
The following error codes are defined:
Error
Causes
Measures
Err.1
Measuring range
exceeded
■
Input signal too high
■
Pressure transmitter defec-
tive/not suitable.
■
Short-circuit in the connec-
tion cabling of the pressure
transmitter
■
The error message will reset itself
as soon as the input signal is
once more within the permissible
limits.
■
Check the pressure transmitter
and the instrument configuration
(e.g. input signal).
Err.2
Measured value below
permissible range
■
Input signal too low, or
negative
■
Pressure transmitter defec-
tive/not suitable.
■
Short-circuit in the connec-
tion cabling of the pressure
transmitter
■
The error message will reset itself
as soon as the input signal is
once more within the permissible
limits.
■
Check the pressure transmitter
and instrument configuration