Unit Not Heating Up Properly Or Not Cooking As Fast, "On" Light Lit - Southbend EZ-3/EZ-5 Operator's Manual

M EZ-3 & EZ-5 C
ODEL
Figure 5

Unit Not Heating Up Properly or Not Cooking As Fast, "ON" Light Lit

Drain unit. Turn unit on with door open. Add two gallons of
water THROUGH TROUGH. Close door. Wait 10 minutes.
Does unit heat up?
No
Open door. Depress and
hold door switch.
Does contactor "click"
No
on and stay on for at least 1
minute?
For EZ-3 units built before
Jan. 15, 2001, check and
replace time delay relay as
necessary (see Figure 21on
page 32).
DISCONNECT POWER
AT CIRCUIT BREAKER.
Remove control panel.
Remove door switch lead
wires from terminal block
positions 2 and 3.
Depress door switch and
check door switch lead wires
for continuity (see Figure 16
on page 27 or Figure 17 on
page 28, as applicable).
Continuity?
No
Replace door switch.
O
PERATOR
S
OUNTERTOP TEAMERS
Unit not heating up properly, or not cooking as fast, "ON" light lit.
Check all main fuses or circuit breaker, replace as necessary.
Is "CHECK WATER LEVEL"
No
light on with door closed?
Yes
Remind operator of proper
filling procedure.
Yes
DISCONNECT POWER
AT CIRCUIT BREAKER.
Remove control panel.
Check resistance between
contactor terminals and
replace any bad elements
(see Figure 10 on page 21).
Yes
' M 1178387
S ANUAL
T
ROUBLESHOOTING
Yes
Does unit have water?
No
Add water according to start-
up instructions on door. Wait
5 minutes, light should go off.
Is bottom of unit covered
No
with deposits?
DISCONNECT POWER
AT CIRCUIT BREAKER
Check high limits and replace
as necessary (see Figure 19
on page 30 or Figure 20 on
page 31, as applicable).
If high limits are OK, check
that heater block mounting
bolts are tightened to 75 inch-
pounds.
Reconnect door switch lead wires.
Remove rear cover
Check float switch for continuity
and clean openings in float tube
(see Figure 18 on page 29).
Float switch and float
No
tube OK?
Replace float switch and Check and replace contactor
clean tube. (see Figure 13 on page 24)
and controller (see Figure 22
Yes
Yes
Clean unit (see page 13).
Yes
on page 33).
P 17
AGE