Lanair HI140 User Manual
Page 53
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.
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