Troubleshooting Guide - aoyue 937 Plus Instruction Manual

Troubleshooting Guide
! WARNING: * Disconnect the power plug before servicing. Failure
To do so may result in electric shock.
* If the power cord is damaged, it must be replaced
By the manufacturer, its service agent or similarity
Qualified person in order to avoid personal injury or
Damage to the unit
Problem 1. Check 1. Is the power cord and /or connecting plug
The heater lamp Disconnected?
Does not light up * Connect it.
Check 2.s the fuse blown?
Determine why the fuse blew and eliminate the cause,
Then replace the fuse.
A. Is the inside of the iron short-circuited?
B. Is the grounding spring touching the heating element?
C. Is the heating element lead twisted and short-circuited?
Problem 2.
The heater lamp * Refer to checking for breakage in the cord assembly.
Lights up but the Check 4. Is the Heating Element broken?
Tip does not heat up * Refer to Checking for breakage in the heating clement.
Problem 3
The tip heats up Check 3
Intermittently
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