Installation & Servicing Instructions Rinnai Q Premier
75
Code
Description
Solution
contact for return sensor T2
open
Check the data in Error mode. Boiler data during error:
1 Error
= 37
2 Operational status = 00
3 Flow temp.
= xx*
4 Return temp.
= -22
5 kW burner
= 00**
6 % pomp
= xx*
* = variable values
**= x3415=BTU/hr
Check the wiring. check the wiring for the sensor
The wiring is OK but the error is repeated. Remove the plug from the
fl
ow
sensor as a result of which Error 32 occurs
Replace the sensor.
Control unit error
Software error control unit. Replace the control unit. The display will
automatically load the program into the new control unit.
Control unit error
Software error control unit. Replace the control unit. The display will
automatically load the program into the new control unit.
Electrical leakage to ground.
Moisture on controller PCB. Check if there is water leaking on or in the
boiler.
Stop water leak and replace controller
No software present
Control unit and display don’t have a programm. There are a new display
and a new control unit installed at the same time. Exchange the parts and
the loading will start automatically and
appears on the display.
Ribbon cable problem
Replace ribbon cable
Flue gas temperature to high
(adjustment parameter 84 -
default 212°F)
Replace
fl
ue sensor or adjust parameter 84 to default
Fuse on controller PCB
defective
or
Cable transformer not
connected
Replace fuse.
A 4A and 5A spare fuse can be found inside the Control Tower just above
the circuit board.