50461/GTEX MMC/1111
UTImeter Gtex MMC
46
11. Trouble
shooting
11.1 Safety
warning
As this equipment is designed and approved for use in an explosive area (intrinsic safe equipment), only
authorized service stations and the factory are allowed to repair electronic circuits.
However the customer can exchange parts and modules if the following points are observed :
1. Never open the instrument nor carry out any repair or trouble shooting in an hazardous area.
2. Use only original spare parts.
3. Work shall be done only by maintenance personnel who has an experience with intrinsically safe
equipment.
The design of the equipment is modular, i.e. in case of breakdown the customer can find out which modules
have to be replaced. The instrument consists of the following modules:
- Mechanical
parts
- Sensing
probe
- Tape
assembly
-
Display unit / electronic box
- Tape
cleaner
The following sections should allow to identify the defective module and to replace it.
11.2 Power supply troubles
Symptom Origin
Action Section
Battery too low
Change the battery
10.3
Corrosion of terminals
(battery side)
Clean the battery terminals
---
Corrosion of terminals
(display unit side)
Clean the display unit terminals
---
The unit does not switch
on
Switch defective
Change the display unit
10.7
The unit switches on but
stops on the message
"battery"; the buzzer
tones continuously
Battery too low
Change the battery
10.3
11.3 Transmission
troubles
Symptom Origin
Action Section
Sensor out of work or
Renew the sensor
10.5
"No Msg " is displayed
Tape out of work
Renew the tape
10.4
"Invalid" is displayed
Sensor out of work
Renew the sensor
10.5
"Unknown" is displayed
Sensor out of work
Renew the sensor
10.5
Содержание HERMetic UTImeter Gtex
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Страница 54: ...50461 GTEX MMC 1111 UTImeter Gtex MMC 54 Figure 13 2 display unit assembly TS 10210 details ...
Страница 57: ...50461 GTEX MMC 1111 UTImeter Gtex MMC 57 Figure 13 5 load details ...
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