Daikin GYEQ20AN, Руководство по обслуживанию

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Flow Charts for Troubleshooting SiAUY361411EA
161 Troubleshooting
35
Abnormal Exhaust Temperature
Error
code
L1
Description
of the failure Sub-code 0: While the unit is running, the exhaust temperature rises to or above 650°C.
Possible
causes
of the failure
Misfire (ignition system failure); mixer failure; fuel gas type setting incorrect; engine oil up; engine oil down;
exhaust temperature sensor failure; engine cooling failure; flammable gas contained in intake air;
catalyst failure; harness failure; main circuit board failure
Flow chart
Is Exhaust Temperature Sensor
Operating Normally?
YES
YES
Is Fuel Gas Type
Setting Correct?
Is Ignition System
Operating Normally?
YES
Is Engine Cooling Water
System Operating Normally?
YES
Is Mixer Operating Normally?
YES
NO
Check Ignition System.
NO
Configure Main Circuit Board.
NO
Check Exhaust
Temperature Sensor.
YES
Is Engine Compression
Pressure Normal?
YES
Is Oil Level Normal?
YES
NO
Check Engine Compression
Pressure.
Is Engine Oil Consumption
Normal?
YES
Is Valve Clearance Appropriate?
NO
Check Mixer.
NO
See Flow Chart In
"Abnormal Cooling Water
Temperature" Section.
Check Valve Clearance.
NO
NO
Check Oil Level.
NO
Check Oil Consumption.
YES
Is Sensor Connected
Properly To Main Circuit
Breaker's Harness?
NO
Check Electrical
Wiring System.
025902-00E
Check whether engine
suctioned Inflammable Gas.