- Condition: The dryer has detected the Manual Maxon valve is in the open position prematurely.
- Alarm Action Taken: SHUT DOWN
- Component: Manual Maxon valve
- Location: On the lower fuel trane at the base of the dryer. Has a lever arm with a round black knob and a status window that says “Open” or “Shut”.
Tech tip: (115 vac circuit) (Has a microswitch inside body for confirmation of opening)
The manual maxon valve is a fuel trane shutoff device that requires operator interaction to manually open the valve.
Tools Required for Service:
- Voltage/continuity meter
- Large standard blade screwdriver or allen wrenches (to open cover)
- Small standard blade screwdriver (wiring terminals inside)
- #2 Philips screwdriver (wiring terminals on base)
Potential Causes of this Alarm Condition:
- Valve stuck in “Open” position
- Faulty internal micro switch on valve
- Stray voltage on microswitch circuit