Thermo King 098203, Maintenance Manual

Page: 223 / 264

Diagnosis: Troubleshooting, Warnings and Alarm Codes
221
37 CO2 Reading Stuck for >24 Hours
• When:
• With AFAM+ option the CO2 level is
constantly monitored. If the reading does
not change / fluctuates minimum 0.1%
within 24 hour the warning is set.
• The warning will clear itself 10 minutes after
a change has been observed.
• Indicates:
• Problems with the gas analyzer.
• Action:
• When the warning is set the event “Gas
reading surveillance - CO2 reading stuck for
24H at: x.x%” is made in the event log.
• Check gas analyzer readings.
38 High Voltage On Line
• When:
• High voltage observed, voltage has been
above 515 VAC. The Warning will clear
when voltage gets below 500 VAC.
• Indicates:
• When the warning is set a power line value
log is made in the event log. i.e: “CURR:
0.2A PH1: 0.2A PH2: 0.2A PH3: 0.3A VOLT:
529V FREQ: 63Hz “.
• Enter Manual Function Test menu and test
(operate) components to load the power source.
Check volts and amps to help determine the
problem.
• Possible cause for the problem is a wild running
generator set.
39 Battery Charger/Heater – Check Battery
• When:
• The data logger battery charger reports
battery charging suspended due to low
temperature and the battery internal heater
has been on for 2 hours the warning is set.
• Indicates:
• Fault in the data logger battery circuit.
• Check for battery position, placement and wiring.
40 12V Sensor PSU Problem
• When:
• If the sensor supply (+ 12VDC) for the
humidity or pressure transducers is not able
of supplying the 12VDC.
• Indicates:
• Too high load on the sensor supply.
• Check humidity sensor or transducer.
Warnings and Controller Actions (Continued)
Warning
No.
Warning Message/Description Controller Action/Corrective Action