Service manual

51
L.E.D. DISPLAY INDICATORS
The L.E.D. indiicator dots located at the top portion of the L.E.D. display (as shown in the illustration
below) insicate the Phase 5 coin microprocessor controller output functions while a cycle is in progress. These
dots do not necessarily mean that the outputs are functioning. They are only indicating that the function
(output) should be active (on).
1. Heat Circuit Indicator - indictator dot is on whenever the Phase 5 coin microprocessor controller is calling
for the heating circuit to be active (ON).
2. Motor Circuit Indicator - indicator dot is on whenever a cycle is in progress.
MICROPROCESSOR CONTROLLER RELAY OUTPUT L.E.D. INDICATORS
There are three (3) L.E.D. indicators (red lights) located at the lower backside area of the controller
are identified/labeled “DOOR,” “MTR,” and “HEAT” (as shown in the illustration on the next page). These
L.E.D.’s indicate that the outputs of the Phase 5 coin microprocessor controller or, in the case of the door
switch, the inpuut is functioning.
1. “DOOR” L.E.D. indicator should be on all the time (even if the dryer is not running) unless the
main door is open or there is a problem (open circuit) in the main door switch circuit.
NOTE: If the dryer is started (the L.E.D. display indicator dots are on) and there are no outputs
(heat and/or motor output L.E.D’s are off) and the “dOOr” input L.E.D. is on, the fault is in
the Phase 5 coin microprocessor controller itself. If the failure was elsewhere (i.e., dryer’s
door switch circuit) the L.E.D. display would read “dOOr” if a keyboard entry was at
attempted. If the L.E.D. display indicators are on and the door L.E.D. input and motor/heat
output L.E.D.’s are on and the motor and/or heat is not active (on), then the problem is not
the door switch circuit or the Phase 5 coin microprocessor controller; the problem is else
where in the dryer.