Metrohm 763 PVC Thermomat Manual - Manual (Page 139)

5 Maintenance – Faults
763 PVC Thermomat
132
5.2 Faults and malfunctions
5.2.1 Error messages in the PC program
If any type of malfunction occurs during operation of the 763 PVC
Thermomat, this is shown by error messages in the PC program, which
appear in an error window, e.g.:
Follow the instructions given in the error window and close this win-
dow with <OK> .
5.2.2 Status and error messages on the instrument
The 763 PVC Thermomat has 10 different LEDs to indicate the status of
the instrument (see Fig. 7). The status and error messages which could
occur on the 763 PVC Thermomat are listed in the following tables. The
symbols have the following meanings:
LED switched off
LED switched on
LED flashes
77 Mains pilot lamp
lit up when instrument switched on
88 Gas flow display
lit up when gas flow switched on
99 Temperature display
flashes when heating switched on
lit up when temperature reached
10 10 Error display (red)
lit up at error
11 11 Instrument display
indicates numbers (1 … 4) of units con-
nected
Fig. 7: Indicator lamps
11 11
10 10
99
88
77
ON
FLOW
TEMPERATURE
ERROR
DEVICE
1 2 3 4
A B