USER alarm #354 (Coil F154 on PLC LADDER)
User-defined alarm wired to PLC ladder coil F154 — typically a missing condition (set-up switch, door, or option not enabled).
- Controls
- SmoothG
- Machine series
- unspecified — uses RB-series PLC parameters
Causes
User-defined alarm wired to PLC ladder coil F154 — typically a missing condition (set-up switch, door, or option not enabled).
- Fabian Achavalyoutube
Mazatrol SmoothG: How to troubleshoot a USER alarm #354 (Coil F154) on the PLC LADDER
- Fabian Achavalyoutube
How to clear it
- 1
Open the PLC LADDER, locate coil F154, trace its rung backwards to find the missing input or condition.
- Fabian Achavalyoutube
How to troubleshoot a USER alarm #354 on the PLC LADDER
- Fabian Achavalyoutube
- 2
Where the alarm is gated by an option that should be enabled, set the relevant RB-series PLC parameter (e.g. RB30.3 on Matrix Nexus) to enable the function.
- Fabian Achavalyoutube
How enable RB parameter.
- Fabian Achavalyoutube
Confidence: high · Cross-referenced on the same author's Matrix Nexus channel (sY1S2Z6o9o4) for the identical alarm 354 / Coil F154 / RB30.3 PLC parameter combination — 2 videos confirm the same fix path across two control versions.
First sourced: 5/21/2026