QTech Data Systems Multi Point Controller (MPC) System - Manual (Page 10)

QTech Multi Point Controller for WP2P - Quick Start Guide – v1 – August 2012 10
www.qtech.co.nz Tel: 03 3663713
Status LEDs
PWR (blue) This LED is on when the
device is powered on
OK (green) Flashes to show the device is
active
ERR (red) This LED flashes a number of
times to indicate any errors
COMS Not Used
RXD (orange) Flashes when a reply has been
received by the Controller
TXD (orange) Flashes when a poll has been
sent to a WP2P module
Trouble Shooting and Tips
Symptom Cause Solution
Blue power status LED
not blinking when power
applied Blown fuse Replace internal fuse. Use only 2
Amp quick blow type.
Insufficient power
supply voltage Check supply and provide
suitable power supply
The red ERR indicator
flashes The Controller cannot
communicate with one
or more of the WP2P
modules Count the number of flashes, this
refers to which WP2P module, ie
two flashes refers to WP2P
module number 2.
The I/O is not
responding fast enough Incorrect setting of the
poll setting in
Workbench Decrease the Poll Period
I am having comms
failures on a particular
slave Likely to be radio
signal strength or line
of site obstructions Use a directional antenna at the
slave pointing back to the master
and check the two sites can
“see” each other clearly
Note – Adding extra Modules to an existing system. To achieve this please
order the additional modules from QTech quoting the original project/invoice
details. Workbench software can then be used to change the number of
modules in the system.