Urmet 1131 Manual Full [new] -

| Symptom | Possible Cause | Action | |---------|----------------|--------| | No BUS LED | Power missing | Check L1/L2 voltage (24-30V DC) | | Cannot enter programming | Wrong code / phone type | Use analog phone; reset to default (see manual) | | Forwarding number not dialed | Line seizure fails | Check PSTN line tone; add prefix *03 for dial tone delay | | Relay does not trigger | DTMF not recognized | Ensure phone sends long tone; check DTMF sensitivity setting | | Call forwarded too quickly | Ring timeout too short | Increase *02 value |

: Press the dedicated "Key" button while the handset is off the hook to unlock the door. urmet 1131 manual full

Before removing an old handset, label every wire. A common tip is to cut the wire leaving a small bit of insulation on the old terminal to preserve the color-to-terminal map. | Symptom | Possible Cause | Action |

Urmet 1131 is a classic analog door phone (intercom) handset used widely across Europe and Australia. Since it is a "universal" compatible model, the manual is primarily a guide for wiring diagrams to replace older or different brand systems. 🔑 Key Technical Specifications System Type: Urmet 1131 is a classic analog door phone

are not swapped. Low volume can sometimes be adjusted via a potentiometer on the main base station, though the 1131 handset itself rarely has individual volume controls. Loop Wiring