- Condition: The dryer has detected one of two conditions:
- the manual maxon valve arm was not activated before the internal program timer of 5 minutes has lapsed, or
- the arm was deactivated or loss of power to the valve after being activated resulting in a loss of input to the dryer.
- Alarm Action Taken: MINOR ALARM
- 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)
Potential Causes of this Alarm Condition:
- Operator failed to activate manual lever on valve within 5-minute window of “Enabling Gas Trane” button on controller
- Lever was deactivated while operating
- No power to coil of maxon valve
- Faulty or out of adjustment internal microswitch
- Valve stuck in closed position