Heat & Glo Error Code Steady Flash: Hard lockout – control failure (Gas Fireplace)
Heat & Glo error code Steady Flash on a gas fireplace means: Hard lockout - control failure. It is also called Heat & Glo diagnostic code Steady Flash.
Homeowner? What Heat & Glo code Steady Flash means for you
Call a technician Your gas fireplace is reporting: Hard lockout - control failure. The gas fireplace has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.
Safe things you can check yourself
- Replace the batteries in the remote and in the receiver or battery pack (weak batteries are the most common cause).
- Make sure the wall switch is ON and the fireplace has power if it uses a plug-in adapter.
- Check that the gas valve to the fireplace is open (handle in line with the pipe).
- If you smell gas, do not try to light it: leave the house and call your gas utility or 911 from outside.
Call (647) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Heat & Glo error code Steady Flash mean?
The DSI module shows a steady LED: hard lockout, treated as a control failure. LED pattern on the DSI module: slow flash = normal, no call for heat; fast flash = normal, calling for heat; two flashes = 5-minute lockout; steady = hard lockout / control failure.
Applies to: Older Heat-N-Glo DSI gas fireplaces with RAM 1MC1-01/-05, RAM-1-RS, CFX-DA, Grand-50-C (120 VAC modules); LED applies to RAM 1MC1, CFX-DA and Grand-50-C
Common causes of Heat & Glo code Steady Flash
- Failed DSI module
- Wiring fault at the module (power, ground, ignitor cable)
Heat & Glo models that use code Steady Flash
CFX-DAGrand-50-CRAM-1-RSRAM 1MC1-01RAM 1MC1-05
Other Heat & Glo Gas Fireplace codes
| Code | Meaning |
|---|---|
| 2 Flash | 5-minute lockout |
| LED Off | LED not flashing - no power to module |
All Heat & Glo Gas Fireplace error codes →
Heat & Glo code Steady Flash: homeowner questions
What does Heat & Glo code Steady Flash mean?
Hard lockout - control failure. The DSI module shows a steady LED: hard lockout, treated as a control failure. LED pattern on the DSI module: slow flash = normal, no call for heat; fast flash = normal, calling for heat; two flashes = 5-minute lockout; steady = hard…
Is it safe to keep using my gas fireplace with code Steady Flash?
It depends on the cause. The gas fireplace has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.
Can I reset Heat & Glo code Steady Flash myself?
You can try one reset (power off for 30 seconds, then on). If Heat & Glo code Steady Flash comes back, the cause is still there and a licensed technician should check it.
Who can fix Heat & Glo code Steady Flash near me?
Aurora Star Tech Inc. repairs Heat & Glo gas fireplaces in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.
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Source: Heat-N-Glo DSI / HSI Troubleshooting Guide (Professional Development), LED codes, p.6-8. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.