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Section 5 – SR-2 Diagnostics
35 CHECK RUN RELAY CIRCUIT
Page 1 of 2
Alarm Type
Shutdown Alarm
Associated Alarm
Codes
Circuit Description
The K1 Run Relay, LED 6, and fuse F1 are located on the Interface Board. The wiring is located in the Interface
Harness via the 8H wire.
When the run relay is energized, 8 power is supplied to the 7K circuit. This alarm code indicates that 7K circuit
digital input is not present when the run relay should be energized.
How Alarm is Set
Run relay output does not match feedback circuit (7K).
The Run Relay fails the Pretrip Test.
How Alarm is Cleared
This alarm is cleared manually.
Considerations
Diagnostic Procedure
1. Check fuse F1 on the Interface Board.
2. Check to be sure the K1 Run Relay LED 6 is energized.
3. Check to be sure the High Pressure Cutout Switch is closed (PHPC and HPCO-01 circuit).
4. Check the voltage of the HPCO wire at the HPCO switch. Battery volts should be present when the unit is
turned on.
5-43
02 February 2005
Summary of Contents for SR-2 SmartReefer2
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Page 7: ...Tab goes here and the next page should be GREEN Section 1 Safety...
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Page 10: ...Section 1 SR 2 Safety Information 1 2 18 January 2005...
Page 14: ...Section 1 SR 2 Safety Information 1 6 18 January 2005...
Page 15: ...Tab goes here and the next page should be GREEN Section 2 Hardware Description...
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Page 48: ...Section 2 SR 2 Hardware Description 2 32 31 January 2005...
Page 49: ...Tab goes here and the next 2 pages should be GREEN Section 3 Software Description...
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Page 96: ...Section 3 SR 2 Software Description 3 46 31 January 2005...
Page 97: ...Tab goes here and the next page should be GREEN Section 4 Operation...
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Page 181: ...Tab goes here and the next 2 pages should be GREEN Section 5 Diagnostics...
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Page 266: ...Section 5 SR 2 Diagnostics 5 84 02 February 2005...
Page 267: ...Tab goes here and the next page should be GREEN Section 6 Service Procedures...
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Page 270: ...Section 6 SR 2 Service Procedure Index Page 2 01 February 2005...
Page 282: ...Section 6 SR 2 Service Procedure A01B Page 6 P41RA01B 31 January 2005...
Page 298: ...Section 6 SR 2 Service Procedure A02A Page 12 P41RA02A 02 February 2005...
Page 318: ...Section 6 SR 2 Service Procedure A03B Page 4 P41RA03B 30 January 2005...
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Page 410: ...Section 7 SR 2 Information 7 2 02 February 2005...
Page 419: ...Tab goes here and the next page should be GREEN Section 8 Schematics and Wiring Diagrams...
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Page 422: ...Section 8 SR 2 Drawings 8 2 01 February 2005...
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