DIAGNOSTIC PROTOCOL
Date of test: 01.01.2022
Model: Eberspacher Airtronic D2
Voltage: 12V (DC)
SN: 1124368BA
Tested with controller: Easy Start Timer
FOLLOWING COMPONENTS SUPPLIED FOR DIAGNOSTIC TEST:
- Main Heating Unit
- Fuel Pump
- Wiring Loom
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PLASTIC CASING:
- integrity/visual check - FAIL
- top lid - FAIL (cracked clip)
- bottom housing - PASS
- air outlet hood - PASS
- thermal barriers - FAIL (2 pads missing)
- glue of thermal barriers - FAIL (unglued)
>> SUMMARY: FAIL
>> SOLUTION: REPLACEMENT OF TOP LID FOR NEW, 2 NEW THERMAL BARRIERS
>> NOTES: GLUING NEW PADS
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BOTTOM GASKET:
- integrity/visual check - FAIL
- thermal deformation - FAIL
>> SUMMARY: FAIL
>> SOLUTION: REPLACEMENT FOR NEW
>> NOTES:
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BLOWER MOTOR:
- integrity/visual check - PASS
- test of continuous run on 2000 RPM - PASS
- test of continuous run on 4800 RPM - PASS
- internal turbine gap - PASS (0.2-0.4mm = within allowed tolerance)
- acoustic level - FAIL (noisy during separate test)
- bearing - FAIL (excessive friction)
- vibrations/balancing - PASS
- sediments - FAIL (moderate sediment)
- surface for the gasket - FAIL (requires cleaning)
>> SUMMARY: FAIL
>> SOLUTION: REPLACEMENT FOR NEW
>> NOTES:
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GLOW PLUG:
- integrity/visual check - PASS
- peak consumption - PASS (104W)
- contamination - PASS (slight contamination)
- insulation of wires - PASS
- rubber gasket - FAIL (slight leak by incorrect placement)
>> SUMMARY: PASS
>> SOLUTION: KEEP ORIGINAL
>> NOTES: CHEMICAL CLEANING REQUIRED
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OVERHEATING SENSOR:
- integrity/visual check - PASS
- resistance test (room temperature) - PASS
- run test (high temperature) - PASS
- insulation of wires - PASS
- placement - FAIL (not installed correctly on the heat exchanger)
>> SUMMARY: FAIL
>> SOLUTION: KEEP ORIGINAL
>> NOTES: REFIT TO CORRECT POSITION
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OVERHEATING SENSOR CLIP:
- integrity/visual check - PASS
>> SUMMARY: PASS
>> SOLUTION: KEEP ORIGINAL
>> NOTES:
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FUEL PUMP:
- integrity/visual check - PASS
- flow capacity - PASS (21ml/1000p = within allowed tolerance)
- outisde contamination - FAIL (dust)
>> SUMMARY: PASS
>> SOLUTION: KEEP ORIGINAL
>> NOTES: CHEMICAL CLEANING REQUIRED
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HEAT EXCHANGER:
- integrity/visual check - PASS
- corosion by salt - PASS
- carbon deposition - FAIL (strong contamination)
- contamination outside - PASS (dust)
- surface for the burner gasket - PASS
- surface for the blower motor gasket - FAIL (gasket stuck to surface)
>> SUMMARY: FAIL
>> SOLUTION: KEEP ORIGINAL
>> NOTES: PRESSURE / CHEMICAL CLEANING REQUIRED
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GASKET - HEAT EXCHANGER / BURNER:
- integrity/visual check - FAIL (leaks, falling apart)
>> SUMMARY: FAIL
>> SOLUTION: REPLACE FOR NEW
>> NOTES:
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GASKET - HEAT EXCHANGER / BLOWER MOTOR:
- integrity/visual check - PASS
>> SUMMARY: PASS
>> SOLUTION: KEEP ORIGINAL
>> NOTES: CHEMICAL CLEANING REQUIRED
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BURNER:
- integrity/visual check - PASS
- glow plug hole - FAIL (slight contamination)
- carbon deposition - FAIL (strong contamination)
>> SUMMARY: FAIL
>> SOLUTION: REPLACE FOR NEW
>> NOTES:
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ATOMISING NET:
- integrity/visual check - PASS
- contamination - FAIL (strong contamination)
>> SUMMARY: FAIL
>> SOLUTION: REPLACE FOR NEW
>> NOTES:
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ECU:
- integrity/visual check - PASS
- fan speed regulation - PASS
- pump frequency regulation - PASS
- glow plug activation - PASS
- min RPM - PASS (2,000RPM)
- max RPM - PASS (4,800RPM)
- min pump frequency - PASS (1.33Hz)
- max pump frequency - PASS (3.72HZ)
- contamination - FAIL (dust)
>> SUMMARY: PASS
>> SOLUTION: KEEP ORIGINAL
>> NOTES: CHEMICAL CLEANING REQUIRED
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BLOWER MOTOR/BURNER BOLTS:
- integrity/visual check - PASS
- rust - PASS
>> SUMMARY: PASS
>> SOLUTION: KEEP ORIGINAL
>> NOTES:
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WIRING LOOM:
- integrity/visual check - PASS
- resistance - FAIL (fuel pump wire damaged)
- run test - PASS
>> SUMMARY: FAIL
>> SOLUTION: KEEP ORIGINAL
>> NOTES: REPAIR OF CUT WIRE
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CONTROLLER:
- integrity/visual check - N/A
- operation - N/A
- buttons - N/A
- LCD - N/A
>> SUMMARY: N/A
>> SOLUTION: N/A
>> NOTES: NOT SUPPLIED