SR1128 operation manual
~34~
8. Trouble shooting
8.1 Trouble protection
a. When there is a break or short circuit between the connection of temperature sensors,
controller switches off the corresponding functions and no more output signals are given, at
the same time error signals show on the display. If controller does not work
correctly, please check following points.
►Press “+” “-” button to check error code, signal displays on the LCD screen
Error message
OHQM˅
8.2 Trouble checking
The controller is a qualified product, which is conceived for years of continuous trouble-free
operation. If a problem occurs, the most of causes is from the peripheral components but no
relation with controller itself. The following description of some well-known problems should
help the installer and operator to isolate the problem, so that the system can be put into
operation as quickly as possible and to avoid unnecessary costs. Of course, not all possible
problems can be listed here. However, most of the normal problems encountered with the
controller can be found in the list below, only return the controller to seller when you are
absolutely sure that none of the problems listed below is responsible for the fault.
To Next Page
Loading...