SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
A. LCD REGISTER
1. Battery not connected properly.
Check battery connections.
NOT WORKING
2. Battery flat.
Replace battery.
3. Faulty wiring connections.
Check wiring for loose or faulty connections.
4. Faulty LCD.
Replace computer assembly.
5. Faulty connection from computer Check wiring connections.
to Pulse PCB.
MAINTENANCE
Replacing the Battery
Replace the battery when the readout becomes dim or blank.
Replace the battery with a 9-volt lithium battery. Order GPI part
number 902006-44.
To replace the battery:
1. Remove the two large screws and two small screws from
the battery coverplate.
2. Remove the battery coverplate and gasket.
3. Remove the battery and clean any corrosion from the ter-
minals.
NOTE: Coat the terminals with petroleum jelly to protect against
corrosion.
4. Install the new battery.
5. Check the gasket for damage and replace as needed.
Position gasket and coverplate to align, insert screws and
tighten.
NOTE: Batch and Cumulative Total return to zero when the
battery fails or is disconnected. The factory calibration is
retained in the computer permanently and will display when
the battery is replaced.
Store at temperatures between 14° F to 140° F (–10° C to +60° C).
TROUBLESHOOTING
7
Summary of Contents for TM Series
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