What 3 red 1 green means
No ignition, or the flame wasn't sensed, during the ignition try. The RC400 remote shows "Appliance Safely Disabled".
Also shown as: 3 red : 1 green, Appliance Safely Disabled, depending on the model.
Likely causes
- No gas supply
- Poor ground
- Dirty flame sensor
Safe first checks
- Make sure the gas shut-off to the fireplace is open and, for propane, the tank isn't empty.
- Check that the module has power or fresh backup batteries, then try once using your manual's reset steps.
When to stop
Flame sensor, ground and pilot checks are for a qualified tech.
Checked against: Hearth & Home Technologies, Field Service Guide for IFT (IntelliFire Touch), 2326-960 Rev H. Codes can differ by model and year, so confirm with your owner's manual.