Chart 1 first vi su al ch eck, 4 chart 1 first visual check – Hired-Hand Super-Savers (Forced Air Heaters) XL: Maywick SS-225-XL Rev 6-09A User Manual
Page 14
Part
No.
4801-5801
Rev.
6-09
Page
14
of
23
Super Saver XL Heater Maywick
9.4
Chart 1 First Visual Check
Chart 1
First Vi
su
al Ch
eck
Call for h
eat.
Thermos
tat
contacts
cl
ose
.
Does igniter
glow r
ed?
Is
230V
present at the
thermostat
terminals?
Are
fuse switch an
d
supply v
o
ltage
correct?
Replace
thermostat.
Go to Chart 2
Is
230V
present
across
JT
1 &
J
T
2?
Is
contr
o
l m
odule in
lockout?
Has the unit
been overheated?
Check wiring
between terminal
block and
m
odule.
Press Reset
button.
Press thermal
switch reset
button
(
above bur
ner
).
Replace igniter.
Disconnect elect
ri
c
power to system
at
main fuse or
circ
uit
breaker.
Unplug igniter
and
re
stor
e power.
Is 24V present at
th
e
igniter leads?
Check
Wir
ing and
transformer.
No
No
No
Yes
Yes
Yes
No No
No
Yes Yes
No
No
Yes