Trane UHMB060ACV3VA Series Service Facts page 38

Service Facts
RED LED FLASH
2
3
4
5
6
7
8
9
10
SOLID RED
SOLID RED
SOLID STATUS
RED OFF
STATUS OFF
38
LED Flash Codes
ERROR
External Lockout (3 Retries or 11 Recycles Exceeded)
Pressure Switch or Inducer Error
Open High, Auxiliary, or Roll-out Limit Switch
Flame Sensed When No Flame Should Be Present
Earth Ground Not Detected or Poor, Reversed Polarity,
Igniter or Triac Error
External Gas Valve Circuit Error (Voltage present when
it should not be)
Low Flame Sensor (Less than 1 dc micro-amp)
Open Inducer Limit
Communiction Error (Loss of communication between
comfort control & furnace control)
Internal Gas Valve Circuit Error (Damaged furnace
control)
Continuous Reset Caused by an Internal Error
(Damaged furnace control)
24VAC Fuse Open (Short circuit or high secondary
load)
UHM-DHM-SF-1H