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TROUBLESHOOTING MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS
PAGE 16 OPERATOR’S MANUAL 1178387 REV 2
TROUBLESHOOTING
Unit Not Heating Up, "ON" Light Not Lit
Check voltage across
terminals 1 and 6 of
terminal block
(see Fig. 4 on page 21).
Does voltage
meet specifications?
No Yes
Check that circuit breaker is ON and that proper voltage is
available at main fuse block.
Unit not heating up, "ON" light not lit.
DISCONNECT POWER AT CIRCUIT BREAKER.
Remove control panel without disconnecting plug.
Turn lever to "ON" position.
Reconnect power.
Check voltage between A and B on control panel fuse
bl k
(see Figure 4 on page 21).
Replace elements and
main fuses
(see Fig. 6 on page 23).
Is measured resistance
consistent with the table in
Figure 5 (see page 22)?
No Yes
Check main fuses and
replace as needed
(see Fig. 6 on page 23).
DISCONNECT POWER AT CIRCUIT BREAKER.
Check resistance between contactor terminals
(see Figure 5 on page 22).
Check voltage on side C and D on control panel
fuse block (see Fig. 4 on page 21).
Does voltage
meet specifications?
NoYes
Check for short circuit in
power switch (see Fig. 7
on page 24), contactor coil
and MOV (see Fig. 8 on
page 25), idle element
(see Fig. 9 on page 26),
and buzzer (see Fig. 10
on page 27). Replace as
necessary.
Replace control panel
fuses.
Does voltage
meet specifications?
No Yes
Replace "ON" light;
continue on next page.
Test power switch or
adjust so that it is
actuated properly by cam
on valve shaft. Replace
switch as necessary
(see Fig. 7 on page 24).