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11 troubleshooting, Solving common problems – EXFO MaxTester Series User Manual

Page 147

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MaxTester Series

137

11 Troubleshooting

Solving Common Problems

Problem

Cause

Solution

Unit does not turn on.

Battery is discharged.

Charge the battery.

Connect the unit to an external

power supply using the AC

adapter/charger (or the car outlet

adapter).

If the unit still does not turn on, press

and hold down the power button for

at least 12 seconds to force a

hardware reset on the unit. Release

the power button, and then restart

your unit as usual.

Unit is not connected

to an external power

supply.

Connect the unit to an external power

supply using the AC adapter/charger

(or the car outlet adapter).
If the unit still does not turn on, press

and hold down the power button for

at least 12 seconds to force a

hardware reset on the unit. Release

the power button, and then restart

your unit as usual.

External power supply

is disconnected.

Make sure the external power supply

is connected at both ends.
If the unit still does not turn on, press

and hold down the power button for

at least 12 seconds to force a

hardware reset on the unit. Release

the power button, and then restart

your unit as usual.