542-515revB
13
Printed in USA 10/10 © 2010
Product Holding Bin
DHB2SS-20/27
PROBLEM
PROBABLE CAUSE
SOLUTION
Display flashes
Opn
and
rEL
.
Open relay. Circuit inoperable.
Consult authorized Service Technician.
Display flashes
SHr
and
rEL
.
Shorted relay. Circuit inoperable.
Open heater.
Unplugged ribbon cable between power and
main circuit boards.
Consult authorized Service Technician.
Display flashes
Opn
and
rEL
.
Temperature is below 75°F.
Heater inoperable.
Probe inoperable.
Relay inoperable.
Consult authorized Service Technician.
Display shows
HHH
for an extended period of
time and heater surface temperature is hot.
Temperature is above 300°F (abnormal
operation).
Consult authorized Service Technician.
Display shows
HHH
for an extended period of
time and heater surface temperature is cool.
Probe is inoperable.
Consult authorized Service Technician.
Troubleshooting