Thermo King SR-2 SmartReefer2 - Section 5: Diagnostics; Section 5: SR-2 Diagnostics

Section 5 – SR-2 Diagnostics
TABLE OF CONTENTS – SECTION 5
Table of Contents – Section 5....................................................................................................................................1
SR-2 Diagnostics ........................................................................................................................................................5
SR-2 Microprocessor Notes.......................................................................................................................................6
Electrostatic Discharge..............................................................................................................................................6
Corrective Actions As A Result Of Alarm Codes ....................................................................................................7
Alarm Types.................................................................................................................................................................7
Log Alarms...............................................................................................................................................................7
Check Alarms ..........................................................................................................................................................7
Prevent Alarms........................................................................................................................................................7
Shutdown Alarms....................................................................................................................................................7
Special Considerations ..............................................................................................................................................8
Pretrip Alarm Codes................................................................................................................................................8
Switching modes from Diesel to Electric and Electric to Diesel........................................................................8
Clearing Alarm Codes.............................................................................................................................................8
00 No Alarms Exist .....................................................................................................................................................9
02 Check Evaporator Coil Sensor.............................................................................................................................9
03 Check (Control) Return Air Sensor....................................................................................................................11
04 Check (Control) Discharge Air Sensor..............................................................................................................13
05 Check Ambient Temperature Sensor.................................................................................................................15
06 Check Coolant Temperature Sensor..................................................................................................................17
07 Check Engine RPM Sensor.................................................................................................................................19
09 High Evaporator Temperature............................................................................................................................20
10 High Discharge Pressure....................................................................................................................................21
11 Unit Controlling on Alternate Sensor ................................................................................................................22
12 Sensor Shutdown ................................................................................................................................................23
13 Sensor Check.......................................................................................................................................................24
15 Check Intake Air Heater.......................................................................................................................................25
17 Engine Failed to Crank........................................................................................................................................26
18 High Engine Coolant Temperature.....................................................................................................................27
19 Low Engine Oil Pressure.....................................................................................................................................28
20 Engine Failed to Start..........................................................................................................................................30
21 Cooling Cycle Check...........................................................................................................................................31
22 Heating Cycle Check ...........................................................................................................................................32
23 Cooling Cycle Fault .............................................................................................................................................33
5-1
02 February 2005