Trane 4YCZ6024 User Manual

Page 26
Installer’s Guide
Table 8. IGN LED Diagnostic Indicators *
Status LEDs
IGN Board Diagnostic Codes
There are two LEDs on the IGN board that provide status and
diagnostic information. Refer to Table 8 for a description of the
LED codes.
Steady OFF Check Power or Failed Board 2 Flashes
System Lockout: Failed to detect or
sustain flame
Slow Flash Rate Normal, No Call for Heat 3 Flashes
Pressure switch problem detected
Fast Flash Rate Not used 4 Flashes
High Limit switch protection device
open
Steady ON Normal, No Call for Heat 5 Flashes
Flame sensed and gas valve not
energized or flame sensed and no "W"
signal
6 Flashes
Flame Rollout Switch open
7 Flashes
Thermostat miswired; W1 & W2
Fast Flash Rate: The LED will flash on for 1/4 second, and off for 1/4 second
Slow Flash Rate: The LED will flash on for 3/4 second, then off for 1/4 second.
The pause between groups of fast flashes is 3 seconds.
Status LED Liteport LED
IGN Diagnostic Indicators Flash Codes

Trane 4YCZ6024 Specifications

General

Brand	Trane
Model	4YCZ6024
Category	Air Conditioner
Language	English