rada DRV40 - Common Fault: Temperature Reading Discrepancies; Checking Thermistors and Thermometers

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Stop Valve
Full Bore Isolating Valve
Pressure Reducing Valve
Shower
Thermometer
Cold Water
Hot Water
Mixed Water
Check Valve
Recirculation Pump
Key
Strainer / Filter
Needle Valve
Flow indicator
Safety Valve
Water
Heater
Problem: “Constant difference between blend circuit temperature reading and
DRV40 temperature display...”
Stop Valve
Full Bore Isolating Valve
Pressure Reducing Valve
Shower
Thermometer
Cold Water
Hot Water
Mixed Water
Check Valve
Recirculation Pump
Key
Strainer / Filter
Needle Valve
Flow indicator
Safety Valve
Water
Heater
Readings are not
equal after outlet
temperature has
stabilized
Check outlet thermistor
Turn power off for 10 seconds and restart.
If the error persists, check the thermistor
connections or replace the thermistors.
Blend circuit thermometer
Check or replace.