Service Tips Fault Codes | Thermador PRG30, PRG48, PRG36, PDR30, PDR36

Thermador PRG30, PRG48, PRG36, PDR30, PDR36, PDR48 manual Service Tips Fault Codes

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Service Tips – Fault Codes (1)

DISHWASHER TEST PROGRAM ERROR CODES (on 2&3-digit digital displays):			00
0- No faults
1- Aqua Sensor (Sensotronic) fault
2- Heating system fault (heater, Hi-Limit, flow switch, NTC, control heater relay)			000
4- Water filling fault
		TIP: Fault codes add up for multiple faults
8- NTC (temperature sensor) fault
		(e.g. heating + water filling fault = 2 + 4 = 6
16- Water switch fault



DISHWASHER TEST PROGRAM ERROR CODES (on 2&3-digit digital displays):			00
F-	Water filling fault (underfill, overfill or water in the base)
2H-	Last wash cycle too long (> 99 minutes). Can be cold inlet water or heating
system fault (heater, Hi-Limit, flow switch, NTC, control module heater relay).			000
F-	Delay Start feature (not a fault code)

HINT: Apexx heater runs during steps 05 - 08.

Press “-“ button to skip to test 05 to measure heater amp draw.

DISHWASHER TEST PROGRAM ERROR CODES (on lower line of full text Apexx SH 99 displays):

S3 - No faults

A – Aqua Sensor (red) fault B – Aqua Sensor (green) fault

E – Water switch fault (no pulses detected) F – Water filling fault

G – Water switch fault (won’t stop running)

H – Heating system fault (heater, Hi-Limit, flow switch, NTC, control module heater relay)

K- NTC fault (short-circuited or open-circuited)

Xx – Test program step count (testing done when = 00) TIP: Top line shows wash cycle & bottom line shows fault code.

◄ S- - 3- - - - - - - - - - - - - - - - - ► Start ►

HINT: Dishwasher test program heat water to 150°F, so test programs will generally run > 20 minutes for incoming water temperatures ~ 120°F

HINT: Open door to select test program for fully-integrated models, then close door to run program.

NOTE: Flow through heaters heat water ~ 2°F/minute.

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