Owner manual

Maintenance Series 642
28 Pyromation, Inc.
7 Maintenance
No special maintenance work is required on the device.
8 Trouble-shooting
8.1 Trouble-shooting instructions
Always begin trouble-shooting with the following checklists if errors occur after commissioning or
during measuring operation. The questions guide you to the cause of the error and the appropriate
remedial action.
8.2 Error messages
Fault code Cause Action/cure Mode
1)
0 No error, warning - -
10 Hardware error (device defective) Replace device F
13 Reference measuring point defective Replace device F
15 EEprom defective Replace device F
16 A/D converter defective Replace device F
17 Ambient temperature limit overshot Electronics possibly damaged by
overshooting ambient temperature limits,
return electronics to manufacturer for
checking
0, F
19 Supply voltage too low Check supply voltage; check connection
wires for corrosion
F
50 Sensor cable open circuit Check sensor *
51 Sensor short-circuit Check sensor *
52 Sensor corrosion Check sensor *
53 Outside sensor range Wrong sensor type for application *
81 Alarm: measuring range undershoot Measuring range poss. set too small F
82 Alarm: measuring range overshoot Measuring range poss. set too small F
106 Warning: upload/download active - C
107 Warning:
Output simulation active
Deactivate output simulation C
201 Warning:
Measured value too low
Change PV lower range value M
202 Warning:
measured value too large
Change PV upper range value M
203 Warning:
Ambient temperature limit overshot
Electronics possibly damaged by
overshooting ambient temperature limits,
return electronics to manufacturer for
checking
0
206 Warning:
Sensor corrosion
Check sensor M
208 Reset device to factory default values - 0