9-1
SECTION 9: TROUBLESHOOTING
METERING MODULE
Unit will not turn on: Battery may be discharged. Recharge battery
Unit blanked out during testing because of transient discharge occurrence and won’t come
back on by cycling the power switch: Carefully remove front panel, and unplug the battery
pack for approximately 30 seconds, then retry power switch.
Unit does not measure correctly after flashover or transient discharge occurrence: U5
possibly damaged. Replace with LT1055 OP Amp.
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