Quest Controls 600 User Manual

Rev 3.1 01/11/23 - 25 - Model 600 User Guide
Model 600 won’t communicate to the
Modbus polling agent
Verify the wiring and polarity. Verify the Modbus address
and baud rate. Verify that all Model 600s on the network
have a unique address.
Buttons do not respond
Press buttons slowly, some functions may take pressing the
button twice.
Display is corrupted
First, cycle power to the unit. If this does not correct the
problem, reset the system. If the problem persists then do a
cold start by pressing and holding in the cold start button
(SW2 lower left of board) will pressing and releasing the
reset button (SW1 below the keypad). The display will
respond with “Cold Sense”, continue holding the cold start
button until you see Cold Start on the display. Release the
buttons at this time. This action will reset the Model 600
and return all settings to their factory defaults. The Model
600 will then need to be reconfigured with the desired
settings.

Quest Controls 600 Specifications

General

Brand	Quest Controls
Model	600
Category	Controller
Language	English