If NTC probe (f2/f4) has failed (opened), CLEAN light will come on immediately and testing will end shortly after water has started circulating. If flow switch (e5) has failed (opened), water won’t heat (to 150?F) and water won?t stop circulating. If water level switch (f1) has failed (opened), RINSE/DRY light will come on and unit will continually fill and drain where testing won’t be completed. If current stays at ~ 1.5-2 A, then heater, high limit or flow switch are faulty.
If current is ~ 11 A, then heater, high limit and flow switch are OK. Using a meter with a current coil, measure current going into dishwasher. To check for heater, high limit or flow switch problems, start testing until heating starts. RINSE/DRY = Water filling fault (over or under filling)ĬLEAN = NTC (temperature sensor) fault ? note circulation motor stops shortly after it started during an NTC fault When testing has ended and a fault was detected, the following indicator lights will be lit: To start testing, press both POWER SCRUB PLUS and REGULAR WASH buttons a second time. To check each program indicator light, press its button. To end test program, press ON/OFF button. When program buttons are released, lights above them will flash. To start test program, press and hold both POWER SCRUB PLUS and REGULAR WASH program buttons, then turn unit on by pressing ON/OFF button. And now, a special treat for you Bosch dishwasher owners out there…