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Imperial 11‑Station Timer Trips Reset – Master Valve Solenoid or Other Zone?

Timer resets occasionally. Master valve (Toro) solenoid gets hot; swooshing noise on front zones.

Diagnosis

If master valve solenoid were shorting, it would trip immediately. More likely another zone’s solenoid is shorting. Run system, let dial advance 5 min per zone; listen for reset click to identify faulty zone.

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