Replacement Parts; Troubleshooting - Randell 9000W-290 Series Operator's Manual

For more information on preventive maintenance, consult your local service
company or CFESA member. Most repair companies offer this service at very
reasonable rates to allow you the time you need to run your business along with
the peace of mind that all your equipment will last throughout its expected life.
These services often offer guarantees as well as the flexibility in scheduling or
maintenance for your convenience. For a complete listing of current Unified Brands
ASA please visit www.unifiedbrands.net.
Unified Brands believes strongly in the products it manufactures and backs those
products with one of the best warranties in the industry. We believe with the
proper maintenance and use, you will realize a profitable return on your investment
and years of satisfied service.

REPLACEMENT PARTS

To order parts, contact your Authorized Service Agent. Supply the model
designation, serial number, part description, part number, quantity, and when
applicable, voltage and phase.
CONTACT US
If you have questions pertaining to the content in this manual, contact Unified
Brands at 888-994-7636 or tsrandell@unifiedbrands.net.

TROUBLESHOOTING

This unit is designed to operate smoothly and efficiently if properly maintained.
However, the following is a list of checks to make in the event of a problem. Wir-
ing diagrams are found at the end of this manual. When in doubt, turn unit off
and contact service at 888-994-7636 or tsrandell@unifiedbrands.net.
SYMPTOM POSSIBLE CAUSE
No power to unit
Control in OFF position
Unit does not run
Faulty control
Unit too cold Incorrect set point
Door / drawer ajar
Gasket torn or out of place
Unit too warm
Incorrect set point
Warm product introduced
to cabinet
Ice on the coil
Unit noisy Ice on the coil
Unit does not defrost Excessive ice on the coil
5 OM-8000 & 9000W SERIES PREP TABLES
DANFOSS CONTROLLER CODES
PROCEDURE
Plug in unit
Turn controller on
Call for service at 888-994-
7636
Adjust control set point
Ensure door / drawer is fully
closed
Inspect the gasket for wear
and position
Adjust control set point
Pre-chill product 37ºF
Initiate manual defrost
Initiate manual defrost
Initiate manual defrost
DISPLAYED ALARM
ALARM CODE
Hi High Temperature Alarm
Lo Low Temperature Alarm
Condenser Temperature
CON
High Limit
uHi Line Voltage Too High
uLi Line Voltage Too Low
Continuous Compressor
LEA
Runtime
E01 S1 Sensor Failure
E02 S2 Sensor Failure
E03 S3 Sensor Failure
E04 S4 Sensor Failure
ACTION
Inspect door/drawer sealing
Contact service
Contact service
Clean condenser coil
Inspect coil for any objects
obstruction hindering airflow
Contact service
Verify voltage of power source,
to be performed by qualified
technician
Contact service
Verify voltage of power source,
to be performed by qualified
technician
Contact service
Inspect door/drawer sealing
Inspect condenser coil, clean if
necessary
Contact service
Contact service
Contact service
Contact service
Contact service