Thermo King 098203, Руководство по обслуживанию

Страница: 216 / 264

Diagnosis: Troubleshooting, Warnings and Alarm Codes
214
Warnings and Controller Actions
The controller displays Warnings (In the Alarms Menu) on the Display for several general faults. More
than one status message may appear at a time. Press the
F2
or
F3
key to scroll through message displays.
Warnings and Controller Actions
Warning
No.
Warning Message/Description Controller Action/Corrective Action
1 High Pressure Cut Out – Check Water
Cooling
• When:
• If HPCO is detected and the configuration is
set to water cooled condenser.
• Indicates:
• Poor cooling water supply.
• Controller auto clears message 10 minutes after
compressor start-up.
• Water cooled condensing may be wrongly
selected
6 High Pressure Cut Out – Check Condenser
Probe
• When:
• Unit stops due to high pressure cutout and
the condensing temperature regulation has
not activated the condenser fan.
• Indicates:
• Wrong location of condenser probe.
• Controller auto clears message 10 minutes after
compressor start-up.
• Check location of condenser probe.
8 High Pressure Cut Out – Please Wait
• When:
• Unit stops due to high pressure cutout and
the condensing temperature regulation has
activated the condenser fan.
• Indicates:
• Poor cooling of the refrigerant.
• Controller auto clears message 10 minutes after
compressor start-up.
• Check for high ambient temperature.
• Check condenser fan rotation.
• Check for blocked condenser coil.
13 Evaporator High Temperature – Check Heater
System
• When:
• If the state “Hot Evaporator Section” is
active and the control calls for heat the
warning is set.
• The state “Hot Evaporator Section” is
defined either by:
• RA probe error and Defrost probe error.
• RA, SA or defrost probe is above 50C.
• The warning is held by a 60 second timer
after the conditions disappear.
• Indicates:
• Evaporator section temperatures are high.
• Supply Air, Return Air and Defrost,
indicates high temperature.
• Enter Manual Function Test menu and test
(operate) heating element. Check volts and
amps to determine problem.
• Use DATA menu to evaluate evaporator section
sensors.
• Use PROBE TEST to evaluate if evaporator
sensors are reading correctly.