ACS 653, ACS 663 Service Manual
SP00D00624
2021-04-08
Robert Bosch GmbH
64
Diagnostics and Testing
PROCEDURE
ERROR/WARNING
DESCRIPTION OF
ERROR/WARNING
Refrigerant Identification
Identifier Unstable Reading
Error 3
Possible reason:
1. Radio transmitters and arc welders.
Refrigerant Identification Identifier Air Calibration Error
Possible reasons:
1. Sampling path problem:
•
Brass filter clogged and/or sample
hose clogged.
• Sample hose is broken, cracked
or punctured.
• Sample hose is disconnected.
2.
Identifier internal piping problem:
• One or more tubes are discon-
nected.
• One or more tubes are broken,
cracked or punctured.
• One or more tubes are clogged.
3.
Identifier white paper filter defective:
•
White paper filter is broken.
•
White paper filter is clogged.
•
White paper filter is disconnected.
4.
Identifier air intake or air exhaust
clogged.
5.
Identifier solenoid leaking during
calibration.
Refrigerant Identification
Identifier Refrigerant Flow
Error
Possible reasons:
1. Sampling path problem:
•
Brass filter clogged and/or sample
hose clogged.
• Sample hose is broken, cracked
or punctured.
• Sample hose is disconnected.
2.
Identifier internal piping problem:
• One or more tubes are discon-
nected.
• One or more tubes are broken,
cracked or punctured.
• One or more tubes are clogged.
3.
Identifier white paper filter defective:
•
White paper filter is broken.
•
White paper filter is clogged.
•
White paper filter is disconnected.
4. Identifier solenoid issue during
analysis:
•
Identifier solenoid is clogged.
•
Identifier solenoid cable is defective.
•
Identifier solenoid power board
issue.