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Stephen MarshallAug 22, 2025
What does 'MAINS FAIL' mean on my Pyronix PCX 46?
- RRenee MorrisAug 22, 2025
The system has detected that the mains frequency is out of specification, as well as the voltage. Note that the ‘AC FAIL’ timer is active.
What does 'MAINS FAIL' mean on my Pyronix PCX 46?
The system has detected that the mains frequency is out of specification, as well as the voltage. Note that the ‘AC FAIL’ timer is active.
How to fix a LINE FAULT on Pyronix PCX 46 Security System?
Ensure that you plug the PSTN modem into an analogue convention type telephone line. Also, make sure the SIM card is plugged into the modem and that the GSM signal is good enough.
What should I do about a CASE TAMPER error on my Pyronix PCX 46 Security System?
Ensure that the tamper switch is closed.
How do I fix a blank keypad display on my Pyronix Security System?
Check the keypad address by pressing and holding [D] until the security code is requested. Enter 2000 and set the keypad address. The PCX 46 built in keypad address MUST always be set to [00]. Ensure that the keypad address is set up correctly in the “Install Keypads and Readers” menu in Engineer mode.
Why is my Pyronix PCX 46 unable to arm?
If the system is unable to arm, it may be due to an input that is open. Correct this issue, or call an engineer for assistance.
How to fix a BELL TAMPER error on my Pyronix PCX 46 Security System?
Check that Terminal TR should be at or near 0v. If it is not, check if the Bell Tamper switch is closed. Also, verify that Fuse F2 is intact and check the connections to the SAB.
What does 'FUSE x FAULT' mean on my Pyronix PCX 46 Security System?
This message indicates that the identified fuse has failed, or the output protected by the fuse is drawing excessive current. Note that Fuse 1 protects PGMs, Fuse 2 protects the BELL, Fuse 3 protects AUX, Fuse 4 protects the BUS, and Fuse 5 protects the BATTERY.
What to do if 485/COMMS are lost on my Pyronix PCX 46?
This can occur during routine initialisation. However, if it persists, check the display on other keypads to determine if the failure is isolated to a single keypad or a complete system BUS failure. You might also temporarily install an additional keypad to troubleshoot.
What does BATTERY FAULT mean on my Pyronix PCX 46 Security System?
This indication is normal during recharge after a mains failure.
General| Wired zones | 8 |
|---|---|
| Wireless zones | 38 |
| Backup Battery | 7Ah |
| Humidity | 95% non-condensing |
| Operating Temperature | -10°C to +40°C |
