Mokon Duratherm - 9.2 Minitherm Model Codes

48
Problem
Possible Cause
Corrective Measure
Fluctuating temperature
readings from controller
Lime deposits
Clean system (consult
factory for
recommendations)
Thermocouple or RTD
Inspect/replace component
Controller calibration
See Controller Section 5
Noisy pump
System at end of long
feeder line
Install another source line
Entrapped air
Press purge button
Cooling solenoid valve or
pressure regulator
See Maintenance Section(s)
4.3 and/or 6.1 to clean or
replace valve(s)
Incorrect pump rotation
See Section 3.1 to check
and correct pump rotation