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Mi-T-M Heater MH-0190-0M10 Photocell Replacement

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  1. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Safety precautions: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Safety precautions: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Power off the machine at least one hour prior to starting repairs. Ensure the machine is completely cool to the touch.

    • Flip the power switch into the OFF position.

    • Unplug any extension cords from the included power cord.

  2. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the upper shell: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the upper shell: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use a 5/16 inch socket or Phillips screwdriver to remove the eight screws securing the upper shell, four on each side.

  3. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Lift the upper shell straight up off of the machine to remove it.

  4. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the right-side cover: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use a 5/16 inch socket or Phillips screwdriver to remove the four bolts securing the right-side cover.

  5. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Tilt the right-side cover down to access the PCB board.

    • Do not fully remove the right-side cover, it is still attached via the on/off switch.

    • During reassembly, ensure the display window is aligned with the LCD display before you press the cover into place.

  6. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • There are two wires connecting the power switch to the main PCB assembly.

    • Use needle nose pliers to remove the wire with the blue connector.

    • Remove the wire with the clear connector.

    • Remove the right-side cover.

    • During reassembly, install the power switch wires back in their original locations with the blue wire above the clear wire.

  7. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the photocell: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the photocell: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use your fingers to disconnect the white wire harness labeled CN3 on the main PCB assembly.

  8. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Use your fingers or a pair of pliers to remove the photocell from its bracket.

    • During reassembly, ensure the photocell sits flush around the entire perimeter of the bracket.

  9. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: crwdns2935265:09crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Feed the photocell wires through the opening in the lower cover.

    • Remove the photocell.

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To reassemble your device, follow these instructions in reverse order.

Sam Omiotek

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