Thermo King CRR-40 119, Руководство пользователя

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MP-3000a Controller
102
Status Messages and Controller Actions
The Controller displays Status messages in the LCD display for several general faults, More than one
Status message may appear at a time. Press F2 or F3 key to scroll through message displays.
Message
No.
Status Message Controller Action
1 Power Error, Check 20A Fuses
Indicates:
• One or more phases are missing
• Compressor is able to draw amps on all
phases while heater lacks amps on one or
more phases.
• Controller activates Alarm 18
• Controller will try to restart unit after 60 minutes.
2 High Pressure Cutout, Check Water Cooling
Indicates:
• Unit stops due to high pressure cutout and
condenser fan switch is in WATER position
• Controller clears message on compressor
start-up.
• No alarm is set until Controller determines that
unit current draw is too low (alarm 37) or supply
air temperature is too high (alarm 41).
3 Probe Test, Please Wait
Indicates:
• Incorrect temperature difference between
Supply-LH, Supply-RH, or Return air sensor
for 10 minutes with evaporator fan amps ok.
• Controller automatically activates Probe Test to
check for a defective sensor. message clears
when test is complete.
• Controller displays new message if test indicates
a sensor is defective.
4 Supply-Right Hand Problem, Sensor
Disabled
Indicates:
• Controller disables sensor due to open or
short circuit or sensor failed a Probe Test.
• Controller activates Alarm 52
• Controller activates Alarm 00 or 01, depending
on type of sensor failure.
• Controller clears message during Defrost mode
and when Unit On/Off switch is turned OFF.
• Controller uses left hand supply sensor to
control unit if right hand sensor is defective.
• Controller uses return sensor plus an offset to
control unit if both supply sensors are defective.
5 Supply-Left Hand Problem, Sensor Disabled
Indicates:
• Controller disables sensor due to open or
short circuit or sensor failed a Probe Test.
• Controller activates Alarm 52
• Controller activates Alarm 00 or 01, depending
on type of sensor failure.
• Controller clears message during Defrost mode
and when Unit On/Off switch is turned OFF.
• Controller uses right hand supply sensor to
control unit if left hand sensor is defective.
6 KVQ Valve Found, Please Change Type
Indicates
• Controller is set for Moduload and start-up is
initiated on KVQ unit. Correct by turning Unit
On/Off switch OFF. Then set controller
software switch to position 1.
None. One Moduload units, KVQ sensor input
must be left open.