Miller Electric TS, IH manual If display flashes no.io again, or if, Before 10 degree window is

Trouble

Remedy

If display flashes no.io again, or if

Remove 2408 control from its housing by pressing locking tabs outward slightly on sides of control and pulling

0-10 V output card fails.

control forward. Look for add−on PC card in back of controller, and remove PC card. Reinstall 2408 control

into housing being careful not to damage locking tabs on housing. Disable output card function as follows:

Goto ConF, IA ConF (Module 1 Config). See Section 8-5-4.

Change id dc.OP to id nonE.

Scroll to Exit no and change it to Exit YES, and the controller will reset automatically.

Set power source panel / remote switch to panel position and set desired maximum output. The control will

operate in an on / off mode (at target temp + over temp alarm value).

The over temp alarm value is set in Goto Ful, AL LiSt, IdHi.

Obtain a replacement 0-10 V isolated card.

Output stops when green Run

Replace Hold button.

button is released.

Temperature

readings

go

down

Check for reversed red (−) and yellow (+) leads in 2-pin thermocouple, and correct if necessary.

instead of up.

Temperature readings do not rise.

Check for a short between thermocouple wires.

Temperatue does not change in

Change the ramp rate for that segment in the Program List.

ramp segment.

Fault/Limit light is on.

Parameter Display will indicate either “Coolant Flow Error” or “PS Limit”.

“Coolant Flow Error” − ensure that cooler is plugged in and turned on.

For 25 kW system, ensure receptacle switch is on.

Check coolant level in reservoir, and add coolant if necessary.

Check filter on cooler and replace, if necessary.

Verify that coolant “IN” and “OUT” hoses are connected to the correct fittings.

Check alignment of center pins in plastic quick disconnect fittings.

Be sure that coolant jumpers are connected properly.

“PS Limit” indicates the power source will run at less than full output.

Verify panel/remote switch on power source is in Remote position.

Turn down dial on front panel of power source until light goes out or

To obtain full output, adjust the coil to get more coupling into the part.

Check set-up parameters.

If Volts setting is greater than 650, add a turn to the heating coil.

Current Source fault.

Remove a turn from the heating coil.

Power/Volts equals Real Current, Real Current must be kept under 60 A.

2408

Controller

displays

dwell

Check that Hold Back setting is in Band, display will read Hb bAnd (see Section 8-5-3, Goto Ful,

ProG

before 10 degree window is

LiSt).

reached.

Check that Hold Back Units equals 10 F, display will read Hb U 10 (see Section 8-5-3, Goto Ful,

ProG

LiSt).

Parameter

display

does

not

See Section 8-3A.

operate, but

2408 Temperature

Controller

and 5100V

Recorder

displays do operate.

2408

Temperature

Controller

See Section 8-3B.

display does not operate, but 5100V

Recorder display does operate.

5100V Recorder does not turn on,

See Section 8-3C.

but 2408

Temperature Controller

does turn on.

Flow/Limit light does not illuminate

See Section 8-3D.

when cooler is turned off.

Heat On light does not display when

See Section 8-3E.

power source is supplying output.

Output does not start when Run

See Section 8-3F.

button is pressed.

Pressing

Power

Source Select

See Section 8-3G.

button on rear of IH/TS does not

change selection.

5100V Recorder displays Channel

See Section 8-3H.

Error.