Thermo King SB-200TG, Operation Manual

Page: 72 / 121

Alarm Codes
71
40 High Speed Circuit
Check high speed operation, monitor box temp, repair as
required.
X
41 Engine Water Temp Check Check belts and coolant level, repair as required. X
42 Unit Forced to Low Speed
Temporary overheat condition, if condition persists repair as
required.
X
43 Unit Forced to Low Speed Mod
Temporary overheat condition, if condition persists repair as
required.
X
44* Fuel System
Check fuel level in unit fuel tank, add fuel, purge fuel lines
and restart as required.
X
45 Hot Gas Circuit
Unit operating with reduced modulation control, repair as
required.
X
46 Air Flow Check Cargo may be restricting air flow, check load. X
Table of Alarm Codes
*Alarms with an asterisk (*) can exist with Alarm Code 84. The alarm can clear automatically if condition does not reoccur.
NOTE: Not all alarm codes are available with all microprocessor controllers or all revisions of software.
Code Description Corrective Action
Level Of
Action
Ok
T
o
Run Ch
eck
S
hut
Dow
n
Alarm Codes
71
40 High Speed Circuit
Check high speed operation, monitor box temp, repair as
required.
X
41 Engine Water Temp Check Check belts and coolant level, repair as required. X
42 Unit Forced to Low Speed
Temporary overheat condition, if condition persists repair as
required.
X
43 Unit Forced to Low Speed Mod
Temporary overheat condition, if condition persists repair as
required.
X
44* Fuel System
Check fuel level in unit fuel tank, add fuel, purge fuel lines
and restart as required.
X
45 Hot Gas Circuit
Unit operating with reduced modulation control, repair as
required.
X
46 Air Flow Check Cargo may be restricting air flow, check load. X
Table of Alarm Codes
*Alarms with an asterisk (*) can exist with Alarm Code 84. The alarm can clear automatically if condition does not reoccur.
NOTE: Not all alarm codes are available with all microprocessor controllers or all revisions of software.
Code Description Corrective Action
Level Of
Action
Ok
T
o
Run Ch
eck
S
hut
Dow
n