16 17
4.2 Reset Type/Level
(after or during recharge)
CTR (Charge Tracking Reset)
If the gauge is connected to the battery during
recharge, the gauge will track battery charge levels.
OCR (Open Circuit Reset)
If the gauge is disconnected from the battery during
recharge, the gauge will retain the last indication. It will
advance to full when reconnected only of the battery
voltage is above the OCR level. For standard (“B”)
reset, OCR=2.09 VPC (Volts per cell).
5. TROUBLESHOOTING
The following checklist should help you troubleshoot any
problem with Model 908.
Problem Possible Cause
No display Terminals not connected or improper voltage
Stays at FULL Instrument voltage does not match battery
voltage; B+ connected to the wrong terminal
(see page 11)
Will not reset Instrument voltage does not match battery
voltage or battery not fully charged
Reset without
charging battery
Not connected directly to battery terminals
EMPTY too soon B+ connected to wrong terminal, or
instrument voltage does not match battery
voltage, or terminals not connected directly
to battery
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