FAULT FINDING
BRIDGE FROM ‘C’ ON PRESSURE SWITCH TO NC
CONNECTION ON LOGIC CONTROL PCB.
NC WIRE FROM PRESSURE SWITCH
TO LOGIC CONTROL PCB IS FAULTY
LOGIC CONTROL PCB FAULTY.
TO REPLACE SEE ‘SERVICING
SECTION’.
PRESSURE SWITCH IS FAULTY OR LOW PRESSURE
TUBE IS BLOCKED, SPLIT OR PULLED OUT OF HOLE
IN BACK PANEL.
SOLENOID OPERATES
BRIDGE FROM ‘C’ TO NC CONNECTION ON PRES-
SURE SWITCH
SOLENOID OPERATES
NO
NO
YES
YES
YES
YES
29
To Next Page
Loading...
