Glow Brand · Boiler

AttE Warning prefix

Menu / mode display Glow B85/B120/B160

What the display is showing

AttE at the top left means a warning (Table 12.3). Backlight blinks every 1.5 s. The burner is allowed to run. Clear with RESET or a power cycle.

Applies to: B85, B120, B160 (NG and LP)

Settings for these units

Maintenance intervals · Glow B85/B120/B160

Item	When
Annual inspection by a technician	Every year (warranty)
Relief valve try-lever test	Annually
LWCO test	Annually
Condensate trap clean	Annually (14.3)
Heat exchanger combustion-side wash	Annually or when combustion drifts (14.4)
Burner door silicone gasket	Replace if damaged or after 2 years
Service reminder	2.203 on, interval 2.204 (default 1000 days)

Operating pressure should sit 5 psi under the relief valve rating (max 25 psig on a 30 psi valve); water never above 180 F.

Models that show this code

3 models in Glow B85/B120/B160

B120B160B85

Other codes on the same units

ALEg Anti-legionella run
AttE 202 Unknown appliance model selected
AttE 204 Outdoor sensor open or shorted
CodE Installer password prompt
Err Blocking error prefix
Err 100 Internal software error (blocking)
Err 101 Internal software error (blocking)
Err 102 Internal software error (blocking)

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Source: Glow Brand B85/B120/B160 Installation & Operation Manual V20231025, 12.3 p.66. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.