Model reference

Bosch SHXM78

Name: Bosch SHXM78
Brand: Bosch

Dishwasher

3 documents32 error codes4 service modes

Available documentation

Service Manual

Repair manual - Dishwasher145 pg
Covers this model
Repair Instruction - Dishwasher 800 Series Service Manual137 pg
Covers this model

Wiring Diagram

Bosch SHXM78 Dishwasher Schematic2 pg
Covers this model

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E:01 on my Bosch SHXM78

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Faulty relay to heat pump heater, or

From Service Manual 535696, p.28:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure drain pump winding resistance at connector J7. Expected: 12 to 16 ohms at room temperature.

3.Verify the board switches the pump at 120 VAC during the drain cycle.

Part 00620774

Drain pump

Error codes (32)

CodeMeaning

E:01Faulty relay to heat pump heater, or heat/drain pump disconnected or faulty, or…E:02Faulty heat pump heater relay, ground fault at heat pump heater, ground fault…E:03Overheated power module/power cord connection detected by on-board PTC…E:04Faulty safety heater relay on power module, ground fault at heat pump heater…E:05Faulty water switch relay on power module E:06Door ajar or not properly latched, door popped open, faulty or loose door latch…E:07Faulty zeolite fan.E:08Heat pump detects low water level E:09Faulty heater circuit (open-circuited).E:10Faulty or blocked zeolite fan, faulty or loose zeolite heater harness.E:11Heat pump NTC resistances out of range.E:12Heat pump heater calcified E:13Water heater turned up too high (>75°C / 167°F)E:14Faulty flow meter E:15Water in base activated float switch E:16Faulty water inlet valve E:17Inlet water pressure too high E:18Inlet water pressure too low E:19Loose/faulty harness to detergent actuator or faulty dispenser actuator.E:20Faulty heat pump motor winding.E:21Heat pump is blocked/clogged.E:22Water in sump.E:23Faulty drain pump motor.E:24Drain obstruction E:25Missing or loose drain pump cover preventing pressure buildup, or drain pump…E:26Faulty water switch harness, faulty water switch, or water switch motor E:27Low supply voltage continuously < 85 VAC (US) / 170 VAC (EU)E:28Faulty, missing or dirty aqua sensor E:29Low supply voltage < 85 VAC (US) / 170 VAC (EU)E:30High supply voltage > 140 VAC (US) / 290 VAC (EU)

View all 32 error codes

E:31Water in zeolite container or dirty zeolite water sensor E:32Internal error (reserved)

Service modes (4)

CS Test Program (Component Test / Error Code Viewing)["Make sure dishwasher has been reset and turned off.","While pressing and holding buttons 'B' and…
Customer Settings (Codings) Mode["Turn dishwasher off and ensure no wash programs are running.","Open the door.","Press 'On/Off'…
Customer settings modeWith the appliance switched on, simultaneously press button A and the 'Start' button.
Electronic button lock (childproof lock)Start the required programme, then hold down button B for approx

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