Problems With Error Codes - Daikin GYEQ20AN Service Manual

Flow Charts for Troubleshooting
2.2

Problems with Error Codes

1
Engine Fails To Start Up
Description
Sub-code 0: The engine speed does not exceed 800 min
of the failure
Possible Fuel supply failure; starter system failure; ignition system failure; intake/exhaust system failure;
causes incorrect compression; incorrect valve clearance; main circuit board failure;
of the failure cam crank pulse sensor failure; insufficient equalization of refrigerant; compressor failure; oil level high
Flow chart
Is Fuel Gas Supplied Properly?
YES
Is Fuel Gas Type
Setting Correct?
YES
Is Cranking Speed Normal?
YES
Are Gas Valves
Operating Normally?
YES
Is Regulator
Operating Normally?
YES
Is Mixer Operating Normally?
YES
Is Ignition System
Operating Normally?
YES
Are Cam And
Crank Shaft Sensors
Operating Normally?
YES
Are Air Intake And
Exhaust Ports And Air Cleaner
Free From Clogging?
YES
Is Valve Clearance
Appropriate?
YES
Check the Engine
Compression Pressure.
131
Check Fuel Gas Cock.
NO
(Is Air Sufficiently Extracted from Fuel Gas Pipe?)
(Is Fuel Gas Pressure Normal?)
NO
Configure Main Circuit Board.
NO
Check Starter System.
Check Compressor Clutches.
Check Compressors.
Check Oil Level.
NO
Check Gas Valve System.
NO
Check Regulator.
NO
Check Mixer.
NO
Check Ignition System.
NO
Check Cam And
Crank Shaft Sensors.
NO
Check Air Intake And
Exhaust Ports.
Check Air Cleaner.
NO
Check Valve Clearance.
-1
during the startup sequence.
025864-00E
SiAUY361411EA
Error
E0
code
Troubleshooting