Southbend SIMPLE STEAM COUNTERTOP STEAMERS EZ-5 - Manual (Page 16)

T ROUBLESHOOTING M
ODEL
EZ-3 & EZ-5 C
OUNTERTOP
S
TEAMERS
P AGE 16 O PERATOR ’ S M ANUAL 1178387 REV 7
T
R
O
U
B
L
E
S
H
O
O
T
IN
G
Figure 4
Unit Not Heating Up, “ON” Light Not Lit
No Yes
Check that circuit breaker is “ON” and that proper voltage is
available at terminal block. (For units with a fuse block, check for
proper voltage at both ends of each fuse. Replace as necessary.)
Unit not heating up, “ON” light not lit.
Does voltage meet
specifications?
DISCONNECT POWER AT CIRCUIT BREAKER
Remove control panel without disconnecting plug.
Reconnect power.
Turn lever to “ON” position.
Check voltage between “D” and “E” on control panel fuse block
(see Figure 10 on page 21).
DISCONNECT POWER AT CIRCUIT BREAKER
Check wires L1 and L3 between terminal block and contactor.
Replace if no continuity.
Check voltage between “A” and “B” on control panel
fuse block (see Figure 9 on page 20).
DISCONNECT POWER AT
CIRCUIT BREAKER
Check for short circuit in
power switch (see Figure 12
on page 23), contactor coil
and MOV (see Figure 13 on
page 24), IF idle element
(see Figure 14 on page 25),
and buzzer (see Figure 15 on
page 26). Replace as
necessary.
Replace control panel fuses.
No Yes
Does voltage meet
specifications?
Does voltage meet
specifications?
No Yes
Check wires between
contactor and “A” and “B” on
control panel fuse block.
Replace as necessary.
Check voltage between “C”
and “D” on control panel
fuse block (see Figure 9 on
page 20).
Check voltage across terminals 1 and 6 of terminal block
(see Figure 9 on page 20).
Test power switch (see
Figure 12 on page 23);
replace if necessary. Check
that switch is actuated
properly by cam on valve
shaft; adjust if necessary.
No Yes
Does voltage meet
specifications?
Replace “ON” Light (follow
procedure in Figure 6 on
page 18).