Section 8 − Maintenance & Troubleshooting; Routine Maintenance; Troubleshooting - Miller Electric IH Owner's Manual

Single induction heating power source temperature control/recorder
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SECTION 8 − MAINTENANCE & TROUBLESHOOTING

8-1. Routine Maintenance

8-2. Troubleshooting

Trouble
IH/TS does not power up.
Display flashes 5.br
Display flashes1dHi
Power source contactor turns On
and Off at 25 over target
temperature.
Conf 0 appears on the display.
If display flashes no.io.
OM-203 185 Page 52
Turn Off all power before maintaining.
3 Months
Replace
Cracked
Parts
Be sure that power switch on rear of IH/TS is in the On position.
Check 115 volts ac at receptacle where IH/TS is plugged in.
Be sure that IH/TS is not plugged into a switched receptacle.
Check power source primary power for 3-phase, 400 or 460 volts ac (depending on model).
Replace building line fuse or reset circuit breaker.
For 5 kW PWHT cart, remove transformer cover on back of running gear, and check terminal strip jumpers
to verify they are set in the correct position.
For 25 kW PWHT system cart, remove transformer cover on back of running gear, and check for loose lead
connections.
Thermocouple open, connect thermocouple.
Two pin thermocouple plugged into ground (copper) pin, reconnect to the two silver pins.
Workpiece actual temperature is more than 25 degrees over the target temperature. Wait for workpiece
temperature to drop or follow the recovery procedure in Section 6-3-5.
Change Panel/Remote switch on power source to Remote position.
Press the up arrow to change the 0 to 2. Press scroll to enter the menu. Press page to Exit no and change
it to Exit YES, and the controller will reset automatically.
Remove 2408 control from its housing by pressing locking tabs outward slightly on sides of control and pulling
control forward. Look for add−on PC card in back of controller, and check that white connector is fully inserted
into 2408 control. Reinstall 2408 control into housing being careful not to damage locking tabs on housing.
6 Months
Blow Out
OR
Or
Vacuum
Inside
Replace
Unreadable
Labels
Remedy

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