E1 – ROM error detected

What does E1 mean?

The Siemens IQ-400 system has detected an error within its Read-Only Memory (ROM), indicating a probable failure of the main printed circuit board (PCB).

• Probable PCB failure within the IQ-400.
• Internal hardware malfunction.

Click steps to track your progress.

1. 1

   Power cycle the IQ-400 panel by safely removing and reinserting the battery.

2. 2

   Ensure all external connections to the panel are secure and free from interference.

3. 3

   If the error persists, contact your PCSC representative for further assistance as PCB replacement may be required.