Troubleshooting; Deluxe Controls; Diagnostic Leds - Trane GEHE Installation And Maintenance Manual

Troubleshooting

WARNING
Hazardous Service Procedures!
The maintenance and trouble shooting procedures
recommended in this section of the manual could result
in exposure to electrical, mechanical or other potential
safety hazards. Always refer to the safety warnings
provided throughout this manual concerning these
procedures. When possible, disconnect all electrical
power including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the
power can not be inadvertently energized. When
necessary to work with live electrical components, have
a qualified licensed electrician or other individual who
has been trained in handling live electrical components
per these tasks. Failure to follow all of the
recommended safety warnings provided, could result in
death or serious injury.

Deluxe Controls

Troubleshooting units which contain the deluxe control
option may be made easy by using the three LEDs (light
emitting diodes). These LEDs are provided for indicating
the operating mode of the controller. The LEDs are
intended to aid in troubleshooting maintenance. The LEDs
are labeled on the circuit board with numbers as
referenced in Table 59, p.
102
102.
Table 59. Diagnostic LEDs
Color:
Green Color: Red
LED1 LED2 LED3
OFF OFF OFF
ON OFF OFF
ON OFF FLASH
ON OFF ON
FLASH ON OFF
ON FLASH ON
ON FLASH FLASH
ON ON ON
ON ON FLASH
ON FLASH OFF Manual Lockout (condensate overflow)
ON ON OFF
Controller
Mode
Control OFF
Normal/Compressor OFF
Anti-short cycle
Normal/Compressor ON
Brownout Condition
Soft Lockout (low pressure)
Soft Lockout (high pressure)
Manual Lockout (low pressure)
Manual Lockout (high pressure)
Compressor Disable
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