Manual of SR258 intelligent controller
47
PT1000 resistance value
NTC 10K B=3950 resistance value
9. Quality Guarantee
Manufacturer provides following quality responsibilities to end-users: within the period of
quality responsibilities, manufacturer will exclude the failure caused by production and
material selection. A correct installation will not lead to failure. When a user takes incorrect
handling way, incorrect installation, improper or crude handling, and wrong connection of
Warm water outflow upwards.
The quality warranty expires within 18 months after the date of purchasing the controller.
On the screen, warning sign and sensor sign blinks
Sensor failure, press “
▲/▼” button, an error code instead
of temperature displays on the corresponding sensor place
Disconnect sensor, check resistance value with ohmmeter,
and compare the figure with below table.
----
-88.8
Wire is broken,
Check wire
Wire is shorten,
Check wire
