Simple to View:
Cause of Alarm
1. Return to the Standard Display
Screen.
2. Press the MENU Key.
3. Press the UP or DOWN Key until
the Alarm Menu appears.
4. Press the SELECT Key.
The Alarm Display will appear.
5. If alarms are present, the quantity
of alarms and the most recent alarm
code number will be shown.
6. If necessary to view all alarms,
scroll down using the DOWN Key.
7. If a serious condition occurs, the
unit will be shut down to prevent
damage to the unit or the load. If
this occurs, the Alarm Icon will
appear, the display and backlight
will flash on and off.
NOTE: For more detailed infor-
mation, see the Operation chapter in the appropriate unit operating
manual.
Simple to View:
Clearing Alarm Codes
1.If the alarm situation has been
resolved press the CLEAR Key to
clear the alarm.
2. The display will briefly show
CLEARING ALARMS – PLEASE
WAIT. Then the Alarm Menu will
reappear.
3. Press the HELP Key for
additional information regarding the
alarm shown on the display. Also
see the complete Alarm Code list in
the next column.
4. To return to the Main Menu press
the EXIT Key. To return to the
Standard Display press the EXIT
Key again.
NOTE: For more detailed information, see the Operation chapter in the
appropriate unit operating manual.
MENU
35
35
SET
SENSORS
GAUGES
POINT
ON
OFF
2
1
MENU
35
35
SET
SENSORS
GAUGES
POINT
ON
OFF
1 OF 2 ALARMS
DOWN
EXIT
CLEAR
HELP
5
64
x
PRETRIP REMINDER
64
CHECK AMBIENT TEMP SENSOR
ON
OFF
ON
OFF
MAIN MENU
DOWN
EXIT
SELECT
UP
PRETRIP
LANGUAGE
ALARMS
GAUGES
7
4
3
5
6
ON
OFF
1 OF 1 ALARMS
DOWN
EXIT
CLEAR
HELP
66
x
64
LOW ENGINE OIL LEVEL
1 OF 2 ALARMS
DOWN
EXIT
CLEAR
HELP
5
64
x
PRETRIP REMINDER
64
CHECK AMBIENT TEMP SENSOR
ON
OFF
1
3
Simple to
Determine:
Cause of Alarm
0
No Alarms Exist
2
Evaporator Coil Sensor
3
Control Return Air Sensor
4
Control Discharge Air Sensor
5
Ambient Air Sensor
6
Coolant Temp Sensor
7
Engine RPM Sensor
9
High Evaporator Temperature
10
High Discharge Pressure
11
Unit Controlling on Alternate Sensor
12
Sensor or Digital Input Shutdown
13
Sensor Calibration Check
17
Engine Failed to Crank
18
High Engine Coolant Temperature
19
Low Engine Oil Pressure
20
Engine Failed to Start
21
Cooling Cycle Check
22
Heating Cycle Check
23
Cooling Cycle Fault
24
Heating Cycle Fault
25
Alternator Check
26
Refrigeration Capacity
28
Pretrip Abort
29
Defrost Damper Circuit
30
Defrost Damper Stuck
31
Oil Pressure Switch
32
Refrigeration Capacity Low
33
Check Engine RPM
35
Run Relay Circuit
36
Electric Motor Failed to Run
37
Engine Coolant Level
38
Electric Phase Reversed
39
Water Valve Circuit
40
High Speed Circuit
41
Check Engine Coolant Temperature
42
Unit Forced to Low Speed
43
Unit Forced to Low Speed Modulation
44
Check Fuel System
45
Hot Gas Bypass or Hot Gas Bypass
Circuit
46
Check Air Flow
48
Check Belts/Clutch
50
Reset Clock
52
Heat Circuit
54
Test Mode Time-out
56
Host Evap Fan Low Speed
57
Host Evap Fan High Speed
61
Low Battery Voltage
62
Ammeter Out of Calibration
63
Engine Stopped
64
Pretrip Reminder
65
Abnormal Temperature Differential
66
Low Engine Oil Level
67
Liquid Line Solenoid Circuit
68
Internal Controller Fault
70
Hourmeter Failure
74
Controller Reset to Defaults
79
Internal Data Logger Overflow
80
Compressor Temp Sensor
81
High Compressor Temp
82
High Compressor Temperature Shutdown
83
Low Engine Coolant Temperature
84
Restart Null
85
Forced Unit Operation
86
Discharge Pressure Sensor
87
Suction Pressure Sensor
89
Check Electronic Throttling Valve Circuit
90
Electric Overload
91
Electric Ready Input
92
Sensor Grades Not Set
93
Low Compressor Suction Pressure
96
Low Fuel Level
98
Fuel Level Sensor
99
High Compressor Pressure Ratio
105 Receiver Tank Pressure Solenoid Circuit
106 Purge Valve Circuit
107 Condenser Inlet Solenoid Circuit
108 Door Open Time-out
110 Suction Line Solenoid Circuit
111 Unit Not Configured Correctly
113 Electric Heat Circuit
114 Multiple Alarms - Cannot Run
117 Auto switch from Diesel to Electric
118 Auto switch from Electric to Diesel
120 Alternator Exciter Circuit
121 Liquid Injection Circuit
122 Diesel/Electric Relay Circuit
127 Setpoint Not Entered
128 Engine Run Time Maintenance Reminder #1
129 Engine Run Time Maintenance Reminder #2
130 Electric Run Time Maintenance Reminder #1
131 Electric Run Time Maintenance Reminder #2
132 Total Unit Run Time Maintenance Reminder #1
133 Total Unit Run Time Maintenance Reminder #2
134 Controller Power On Hours
141 Autoswitch Diesel to Electric Disabled
143 Remote Zone Drain Hose Heater Output
144 Lost Expansion Module CAN Communication
145 Loss of Controller "On" Feedback Signal
146 Software Version Mismatch
148 Autoswitch Electric to Diesel Disabled
149 Alarm Not Identified
150 Out of Range Low
151 Out of Range High
153 Expansion Module Flash Load Failure
157 OptiSet Plus Mismatch
158 Primary Software Failed to Load
203 Display Return Air Sensor
204 Display Discharge Air Sensor
252 Check Fresh Air Exchange Circuit
500 Host Evaporator Fan Low Speed
501 Host Evaporator Fan High Speed
502 Host Evaporator Fan RPM Sensor
503 Host Condenser Fan 1 RPM Sensor
504 Host Condenser Fan 2 RPM Sensor
505 Roadside Condenser Fan Motor Speed Circuit
506 Curbside Condenser Fan Motor Speed Circuit
507 Digital Scroll Output Circuit
508 Speed Request Communication Error
509 Engine Control Unit (ECU) Failed to Enable
510 Engine Control Unit (ECU) Run Signal Failed
511 Engine Wait to Start Time Delay Expired
512 High Compressor Suction Pressure
513 Low Compressor Suction Ratio
514 Minimum ETV Discharge Superheat
Temperature
515 Minimum ETV Discharge Superheat
Temperature
516 I/O Controller to Application Controller
Communication Failure
517 Check for Water in Fuel System
518 Generator Ground Fault
519 Check Battery Charger Input Power
520 Check Battery Charger Output Power
521 Battery Charger External/Environmental Fault
SR-4
Smart Reefer™ 4
Microprocessor
Driver Guide to
Simple
Operation
TK 55771-2-PC (Rev. 0, 01/14) ©Thermo King Corporation
522 Battery Temperature Sensor Alarm
523 Battery Temperature Sensor Alarm
524 Generator Operational Limit V out to
Frequency Ratio
525 Generator Frequency Range Fault
526 Generator Operational Limit Output Current
527 Reserved
528 Controller Not Receiving Messages From
Battery Charger
529 Check Fuel Pump Circuit
530 Low Pressure Differential
531 Check Economizer Pressure Sensor
538 Engine J1939 CAN Datalink Degraded
539 Engine J1939 CAN Datalink Failed
599 Engine Service Tool Connected
600 Check Crankshaft Speed Sensor
601 Check Camshaft Speed Sensor
602 Check Intake Throttle Position Sensor
603 Check Exhaust Pressure Sensor
604 Check Coolant Temperature Sensor
605 Check Fresh Air Temperature Sensor
606 Reserved
607 Check Fuel Temperature Sensor
608 Check Rail Pressure Sensor
609 Check Intake Pressure Sensor
610 Check Atmospheric Pressure Sensor
611
Check Glow Plug Circuit
612 Check Intake Throttle Circuit
613 Check Injector(s)
614 Check High Pressure Fuel Pump
615 Rail Pressure Fault
616 Engine Overspeed
617 Internal ECU Fault
618 Check EGR System
619 ECU Main Relay Fault
620 Reserved
621 Reserved
622 Reserved
623 TRU CAN Message Timeout
624 Check Intake Air Temperature Sensor
625 Check Intake Air Temperature Sensor
626 Check Exhaust Temperature Sensor
699 Unknown ECU Fault
