Lanair HI320 - Manual (Page 54)

Is there voltage (115V) to
the black wire of the oil
primary control?
Yes
No Is there an open circuit in the
black wire from the fan limit
control?
No Yes
Is there voltage (115V) Repair or tighten
to the fan/limit control connection.
(red wire)?
Yes No
Check wire connections in
the heaters main electrical
junction box.
Is the fan/limit control
wired properly?
Yes No Refer to wiring
diagram Sec. 18.
Replace fan/limit control.
Is there voltage (115V)
Check for loose orange wire
at the orange wire of the Yes connection at the terminal block.
oil primary control?
No
1.Replace Oil Primary Control.
2.Replace Cad Cell wires on Oil Primary Control.
3.Replace Thermostat wires on Oil Primary Control.
Questions or Comments? Call Lenan Service Department (800)753-1601.
Page 37