Model reference
Amana CRR-7B/P74364-4M
Microwave
1 document15 error codes8 service modes
Available documentation
Tech Tip
- Instruction Sheet - 854179812 pg
MyPros+ Max
Diagnose your Amana CRR-7B/P74364-4M.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (15)
CodeMeaning
d1Blocked coin 1 or coin drop UI control circuit failure (coin recognition and…d2Voltage detected below 90 VAC for 8 seconds.d3Blocked coin 2 or coin drop UI control circuit failure (coin recognition and…d4Not receiving communications from installed debit card reader in Enhanced…E1Thermistor is open (open circuit detected).E2Thermistor has shorted (short circuit detected).E3User interface keyswitch or software mismatch between the control…F1Dryer motor control circuit error (cycles and price display disabled until…F2Exhaust thermistor open, temperature drops below 18°F (>50 kΩ) for 1 minute in…F3Exhaust thermistor shorted, temperature above 250°F (<500Ω) for 1 minute in Run…F4UI is not receiving communications from CCU (cycles and price display disabled…F5CCU is not receiving communications from UI (cycles and price display disabled…F6UI Microprocessor is not able to read or verify EEPROM (cycles and price…F7UI EEPROM memory is a CRC failure (cycles and price display disabled until…PFPower failure occurred while the dryer was running.Service modes (8)
- Console Diagnostics (within Diagnostic Test Mode)["Enter Diagnostic Test Mode as described above.","Press each button or turn the cycle selector to…
- diagnostic["Enter set-up mode first.","Navigate to set-up code 6 xx or 7 xx, or have a diagnostic code…
- Diagnostic Test Mode["Unit must be in Standby mode (plugged in, display off).","Alternately press the Less Time (∨) and…
- Diagnostic: Door Switch (within Diagnostic Test Mode)["Enter Diagnostic Test Mode.","Open the dryer door
- Diagnostic: Moisture Sensor (within Diagnostic Test Mode)["Enter Diagnostic Test Mode.","Locate two metal strips on the face of the lint screen…
- Factory Test["Open the door","Set Temperature switch to AIR ONLY","Set Signal switch to LOUDER","Set Timer to…
- help["Enter set-up mode.","Navigate to special pricing option 2.XX.","Press the COTTON/WHITES button to…
- setup["Method 1 (9150 models)
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