Instruction Manual
D102748X012
Maintenance & Troubleshooting
October 2014
78
the long meter screws into the two holes on the meter to coincide with the appropriate holes on the Electronics
Module.
3. Attach the meter to the interconnection pins. Thread the long meter screws into the holes on the Electronics
Module and tighten to secure the meter.
4. Note the position of the alarm jumper on the LCD meter removed from the digital level controller. Remove the
alarm jumper and install it on the replacement meter in the same position.
5. Install the six‐pin dual header on the LCD meter. Carefully insert the LCD meter to mate with the interconnecting
pins with the receptacles on the Electronics Module .
CAUTION
To prevent damage to the interconnecting pins when installing the LCD Meter, use the guide pins to insert the LCD meter
straight onto the Electronics Module, without twisting or turning.
6. Replace the cover. Tighten 1/3 of a revolution after the cover begins to compress the O‐ring. Both instrument
covers must be fully engaged to meet explosion‐proof or flame‐proof requirements.
Electronics Module
Removing the Electronics Module
Perform the following procedure to remove the Electronics Module.
Note
The electronics are sealed in a moisture‐proof plastic enclosure referred to as the Electronics Module. The assembly is a
non‐repairable unit; if a malfunction occurs the entire unit must be replaced.
WARNING
On an explosion‐proof instrument, remove the electrical power before removing the instrument covers in a hazardous
area. Personal injury or property damage may result from fire and explosion if power is applied to the instrument with the
covers removed.
1. Disconnect power to the digital level controller.
2. Remove the cover from the transducer housing. In explosive atmospheres, do not remove the instrument cover
when the circuit is alive, unless in an intrinsically safe installation. Remove the LCD meter assembly.
3. Loosen the two screws that anchor the Electronics Module to the transducer housing. These screws are captive and
should not be removed.
4. Firmly grasp the Electronics Module and pull it straight out of the housing.
Replacing the Electronics Module
Perform the following procedure to replace the Electronics Module.
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