Trouble Shooting - ADInstruments AD3A02 User Manual

6.7 Trouble shooting

Malfunction Type
Failure to turn on/off
On&off disorder
Inaccurate measurement
Error display
On&off failure
Warm advice:This test instrument is available for single-mode optical fiber measurement only.
Possible Cause
No power input
Battery exhausted
Reverse-installed battery
Low battery
Contaminated connector
Connector unfitted
Humid environment
Magnetic field environment
Metal dust environment
Humid environment
Keypad short circuit
Recommended solution
Plug in battery or AC
Charge battery
Re-install battery
(Still doesn't work)
Charge battery or use AC power supply
Swab the dust by using an alcohol-
impregnated thin cotton swab
Re-install the connector
Try later while it is not too humid
Stay far away from magnetic field
May cause damage on mainboard
Try later while it is not too humid
Replace keypad
Remarks
DIY Available
DIY Available
DIY Available
Return to factory
DIY Available
DIY Available
DIY Available
DIY Available
DIY Available
Return to factory
DIY Available
Return to factory