DSC PC4020 - V3.3 Installation Manual download pdf (Page 49)

Section 16: Diagnostics and Troubleshooting

16.1 General Diagnostics

Ref #: [04]

The diagnostics function is designed to help you track

down any problems with the installed modules.

If there is no problem the keypad will display ’PC40X0 Sys-

tem No Faults Found’.

If there is a problem, the keypad will display ’Error... Mod-

ule’. This message will be accompanied by either ’E’ ’T’ or

’LV’ followed by a number. The number represents the

module (see list below). The letters represent the following:

• E = communications error. The main panel has lost com-

munications with the module.

• T = tamper. The tamper zone on the module has been

activated.

• LV = low voltage. The module is not receiving enough

voltage from the Combus.

Below is a list of the indicated numbers and which mod-

ules they represent.

Indicated #Module #

1-8 For Future Use

9-24 LCD45XX - #1-16

25-28 PC440X - #1-3

29-44 PC41XX - #1-16

45-53 PC4216 - #1-9

54-69 PC4204/PC4204CX - #1-16

70 Not used

71 ESCORT4580

72-87 PC4820 - #1-16

88 PC4701

89-92 PC4702 #1-4

93 PC4936

94-109 PC4850 #1-16

110 Alt. Comms

16.2 Restoring Factory Default Programming

These options are only available during the first 10 min-

utes after power up. To access these sections, disconnect

then reconnect the AC and battery power. Then, enter [*]

[8] [Installer’s Code], followed by reference number [0402]

to default the main panel, or [0403] to default the

ESCORT4580 (if installed).

Factory Default (Software)

Ref #: [0402]

Once this selection has been made, the keypad will read

’Confirm Default Press *’. Press the [*] key to confirm the

operation. To cancel the default, press the [#] key.

Once the [*] key is pressed, the programming keypad will

display the message ’Power System Down and Restart’.

Remove the battery and AC connections to the control

panel. This will erase all programming and reset the sys-

tem to its factory default settings. All modules will have to

be re-enrolled.

When using AML devices, the AML Key will return to

[00] upon resetting the panel’s software.

Default ESCORT4580 (if installed)

Ref #: [0403]

Once this selection has been made, the keypad will read

’Confirm Default Press *’. Press the [*] key to confirm the

operation. To cancel the default, press the [#] key.

Once the [*] key is pressed, the programming keypad will

display the message ’Resetting 4580 Module’. Once the

default is complete, the keypad will display ’4580 Default

is Complete’. The ESCORT4580 module will be reset to its

factory default settings.

16.3 Hardware Reset

If the installer’s code is lost inadvertently, the only way to

reprogram the system is to perform a hardware reset.

NOTE: If the Installer’s Lockout feature is enabled,

there is no way to reprogram the system without enter-

ing the correct installer’s code. Panels returned to the

manufacturer with this feature enabled and exhibiting

no other problems will be subject to an additional ser-

vice charge.

NOTE: Delete any enrolled AML zones from the system

before performing a Hardware Reset.

To reset the panel to its factory default settings, perform

the following:

1. Power the system down by removing both the AC con-

nections and the battery power to the control panel.

2. Short the Z1 and PGM1 terminals on the control panel.

Nothing else should be connected to Z1 or to the PGM

terminals.

3. Restore power to the control panel. Wait for 20 seconds.

4. Power down the panel by removing both the AC and

battery connections.

5. Remove the short between the Z1 and PGM1 terminals.

The system will have reloaded all factory default set-

tings. All modules will have to be enrolled again. The

event buffer is the only part of the system’s memory

that will not be restored.

6. Power up the panel. Connect the battery first, then

the AC.

16.4 Viewing Trouble Conditions

The alarm control panel continuously monitors a number

of possible trouble conditions. If one of these conditions

occurs, the keypad Trouble light will turn on and a beep-

ing sound will be heard every 10 seconds. Press the [#] key

to silence the keypad. The Trouble light will stay on until

the trouble is cleared.

If the Audible AC Tbl option is turned on (ref # [000200]),

keypads will sound trouble beeps at the end of the AC Fail

Delay (see 10.9 ‘Transmission Delay‘) when the panel loses

AC power. If the option is turned off, keypads will not

sound trouble beeps when the panel loses AC power. The

option is off by default.

If the Latch Troubles option is turned on (ref # [000200]),

whenever any panel or module AC or battery trouble

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