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b) POSSIBLE SOLUTIONS
1b) Visually check that the fan (Blower) rotate in the direction of its arrow.
• If rotation is incorrect:
• Check rotation of the main fan blower ...
If the motor direction is wrong, swap phase 1 and phase 2 of the incoming power in the main
electrical enclosure.
• Retest
2b) Check the lint chamber air pressure switch. Check the lint chamber pressure switch with control
voltage “OFF”. Open disconnects on TB1-20 and TB1-21, and check resistance across the outputs
of these two (2) connectors. (Refer to dryer Main Panel Wiring Diagram). This will verify that
the switch is open when the dryer is “OFF”. Check the lint chamber switch during a “DRYING
CYCLE” close the disconnects on TB1-20 and TB1-21, and measure 110 VAC between TB1-9 and
TB1-21 during a “DRYING CYCLE.”
• If 110 VAC is measured the switch is functioning OK.
• If 110 VAC “IS NOT” present;
• Check switch’s pressure adjustment (refer to dryer Ladder Diagram for reference)
• Check that switch cover is in place and screws are snug.
• Check that lint screen is clean.
• Check that wiring; refer to following wiring diagrams:
• Base Junction Box Wiring Diagram
• Main Panel Wiring Diagram
6. “HI-TEMP FAULT” Message
PLC (Programmable Logic Controller) MESSAGE “HI-TEMP FAULT”
a) PROBABLE CAUSES;
1a) Air Flow
2a) Hi-Limit Temperature Controllers (channel 1, 2, 3 gas systems)
3a) RTD (Resistive Temperature Device) 1, 2 or 3 gas systems.
4a) Fuse #10