Hix SubliPro - Page 12

12
DIAGNOSTICS
HEATER AND RELAY LIGHTS
1. Heater LED’s: Cycle On When Heaters Are On
Small (1/8”) light-emitting diodes (LED’s) are driven by a current sensor
(one for each heater in the dryer). They can, in conjunction with relay
lights explained below, determine if heater(s) are burned out or if a relay
is at fault.
2. Relay Lights: Cycle Off When Heaters Are On
Large (1/4”) neon lights indicate proper opening and closing of each
heater relay. When relay lights are “on”, the relays are “open” and no
power is applied to the heaters (Heater LED’s Off). When relay lights
are “off”, the relays are “closed” and power is applied to the heaters
(Heater LED’s On). If one relay light stays “on” while the others are
off, then that pole is stuck “open” and should be replaced. The heater
LED’s will still function as normal as they are “double switched”.
NOTE: If all relay lights operated normally yet one of the heater LED’s will
not come on, check the suspected heater with an amp clamp. Normal
readingshouldbe9-12ampsdependingonelementsizeandvoltage
available.Ifreadingsindicatenocurrentowing,thentheheaterwill
require replacing.
ON
OFF
ON/OFF POWER BREAKER IN/OUT (I/O)
CIRCUIT BREAKERS
Turns all dryer power and
control circuits on and off.
Provides protection to con-
tactor coil only. Dryer MUST
be externally fused with ap-
propriatesizefuseorcircuit
breaker (FLA x 125% = fuse
size).  See thefollowing
sheet for fuse sizeto be
used for each dryer.
Provide protection
for control and
heater circuits only!
DO NOT use for
ON/OFF control! If
a breaker trips, de-
termine the cause
before resuming
operation.
OVEN OPENINGS
This oven is supplied with “Air Curtains” on
each end of the oven chamber.
They are designed to retain heat inside the
ovenchambertoimproveenergyefciency
and also eliminate air drafts from entering the
oven chamber resulting in better temperature
regulation.
Air Curtains