Prince Castle EHB Series User manual

Operation
Manual
Dedicated Holding Bin
EHBTH Series
LIMITED WARRANTY
This product is warranted to be free from defects in material and/or workmanship
for a period of 2 years from date of original installation, not to exceed 30 months
from the date of manufacture.
Any component which proves to be faulty in material and/or workmanship will be
replaced or repaired (at the option of Prince Castle LLC) without cost to the cus-
tomer for parts and labor. This warranty covers on location service (i.e. trip charges
and or mileage). Travel mileage is limited to 100 miles (200 Kilometers) round trip
(one trip warranty) from an authorized service agency or its sub-service agency.
This warranty is subject to the following exceptions/conditions:
• Use of any non-genuine Prince Castle parts voids this warranty.
• All labor to be performed during regular work hours. Overtime premium
(the incremental amount) will be charged to the customer.
• Damage caused by carelessness, neglect and/or abuse
(e.g., dropping, tampering or altering parts, equipment damaged in shipment,
by fire, flood or an act of nature) is not covered under this warranty.
• All problems due to operation at voltages other than that specified on equipment
nameplates are not covered by this warranty. Conversion to correct voltage is the
customer’s responsibility.
• This equipment must be serviced by Prince Castle Authorized Service Agency
or a Prince Castle Service Technician during the warranty period.
355 EAST KEHOE BLVD. ~ CAROL STREAM, IL, 60188, USA
PHONE: [phone] ~ TOLL FREE: 1-800-PCASTLE
FAX [phone] ~ WWW.PRINCECASTLE.COM
TABLE OF CONTENTS
Model Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Model Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Safety Information . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .2
Configurations . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .3
Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Setting Product Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Setting the Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Calibrating the Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Changing the Hold and Cook More Times . . . . . . . . . . . . . . . . . . . . 9
Changing Product Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Changing Temperature Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Adjusting Alarm Volume. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Choosing a Language. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Default Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Zone Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..13
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Exploded Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..17
540-539-EN 1Printed in USA 12/16 © 2016
ATTENTION: Read the instructions before using the machine.

Printed in USA 12/16 © 2016 2540-539-EN
Dedicated Holding Bin
EHB Series
STYLE MODEL NO. WIDTH (mm) HEIGHT (mm) DEPTH (mm) WEIGHT (kgs) VOLTAGE AMPS PLUG
2H X 2W EHBTH22A 19.7 (500) 11.1 (282) 14.1 (358) 35 lbs. (16) 110-120 6.0-7.0 5-15P
2H X 4W EHBTH24A 33.2 (843) 11.1 (282) 14.1 (358) 55 lbs. (25) 208-240 9.0-10.4 6-20P
4H X 2W EHBTH42A 19.7 (500) 20.6 (523) 14.1 (358) 57 lbs. (26) 208-240 7.5-8.7 6-20P
2H X 2W EHBTH22ACE 19.7 (500) 11.1 (282) 14.1 (358) 35 lbs. (16) 208-240 3.4-4.3 IEC 309
2H X 4W EHBTH24ACE 33.2 (843) 11.1 (282) 14.1 (358) 55 lbs. (25) 208-240 9.0-10.4 IEC 309
4H X 2W EHBTH42ACE 19.7 (500) 20.6 (523) 14.1 (358) 57 lbs. (26) 208-240 7.5-8.7 IEC 309
NOTE: All Model Numbers above are for double-sided units (with auxiliary timer bars).
For single-sided (only main timer bars) remove the letter “A”
For international units (non-North American) use the “CE” models.
Model Identification
Model Specifications
Safety Information
WARNING
Indicates information important to the proper operation of the unit.
Failure to observe may result in damage to the equipment and/or
severe bodily injury or death.
CAUTION
Indicates information important to the operation of the unit.
Failure to observe may result in damage to the equipment.
Important
Prince Castle reserves the right to change specifications and
product design without notice. Such revisions do not entitle
the buyer to corresponding changes, improvements,
additions or replacements for previously purchased
equipment.
EHBTH24ACE
Unit Name
Number of
Shelves
Number of
Pans per
Shelf
“A” is present if there
are auxiliary mer
bars (bars on the
back of the unit)
“CE” is present if
the bin can be
used outside of
North America

540-539-EN 3Printed in USA 12/16 © 2016
Dedicated Holding Bin
EHB Series
Conguraons
EHBTH22A
EHBTH42A
EHBTH24A

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Dedicated Holding Bin
EHB Series
Product Identification
Installation
Remove the unit from the carton and inspect for signs of
damage. If there is damage to the unit:
• notify the carrier within 24 hours of delivery
• save carton and packaging materials for inspection pur-
poses
• contact your local dealer, or if purchased directly,
the Prince Castle Sales Department at 800-722-7853
or 1-630-462-8800 to arrange for a replacement unit.
NOTE: Plug the power cord into the proper electrical
receptacle. All electrical connections must be in accordance
with local electrical codes and any other applicable codes.
1Plug unit into a grounded
receptacle with a matching
plug configuration.
Place Holding Bin on flat surface.
Remove blue and/or white protective covering.
NOTE: When installing this unit, the ambient temperature
at the mounting site should not exceed 100°F (38°C)
2
3
Breakfast LED
Regular LED
Enter Button
LOWER PAN Display
UP/DOWN ARROWS
UPPER PAN Display
PRINCE CASTLE
LOGO Button PAN ARROW Buttons
(Start/Stop Timers)
LED TIMERS ( tri-color)
(1 for each pan arrow button)
Button Bar
Power
ON/OFF
Switch
DISPLAY
Control Panel
PAN LIDS, ONLY used with MOIST products.
(CRISPY products DO NOT require lids)
All electrical connections must be in accordance with local
electrical codes and any other applicable codes.
If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent, or similarly qualified persons
in order to avoid a hazard.
To prevent an electric shock hazard this device must be
bonded to equipment in close proximity with an equipotential
bonding conductor. This device is equipped with a grounding
lug for this purpose.
WARNING:

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Dedicated Holding Bin
EHB Series
To turn on the unit,
Turn Power On/Off switch (A) to ON position.
NOTE: Load pan covers (if used) and insert pans into the
unit.
Allow 20 minutes for heaters to
reach operating temperature.
The button bar will read “WARM
UP” as the unit warms up, they
will display the product names.
Press all Pan Arrow buttons.
The Pan displays will show the assigned product name.
If no product is assigned, the display
will be dim and show “----”. Pressing
the Pan Arrow button will not activate
the timer if “----” is displayed. Pressing
Pan Arrow button when product name
is displayed will start timing cycle.
BKFT (Breakfast) or
REG (Regular Menu)
will be lit depending on
pre-programmed menu.
LED Timing Status
LED TIMERS
RED (steady) = Ready for product
RED (flashing) = Discard product
GREEN (steady) = Oldest product, use first
GREEN (flashing) = Cook more product
YELLOW (steady) = Newer product, use green first
YELLOW (flashing) = Cook more product
When LED is steady RED, load product and press
the Pan Arrow button.
If more than one pan
is active for a product,
the LED for the first
pan loaded will turn
from RED to GREEN.
If only one pan is active
for a product, the LED
will turn from RED to
GREEN.
When any of the timer LED flash, cook more product
or remove and discard product as indicated.
GREEN (flashing) = Cook more product
YELLOW (flashing) = Cook more product
RED (flashing) = Discard product
Operation
1
2
3
4
The LED for the 2nd pan loaded
with the same product will turn
from RED to YELLOW.
The LED timer can be stopped
(cancelled) at any time by
pressing and releasing the
corresponding PAN Arrow button.
5
(A)
WARNING: HOT SURFACES
WARNING: This application is not intended for use by persons (including children) with reduced physical, sensory
or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsible for their safety.

Printed in USA 12/16 © 2016 6540-539-EN
Dedicated Holding Bin
EHB Series
To change a menu selection for a specific pan cavity, use the following steps:
A. Press and hold the PRINCE CASTLE LOGO button for 6 seconds.
All Pan displays will show PROG. All LED Timers will be RED.
B. Press a Pan Arrow button to change the menu. The LED Timer will
change to YELLOW and the display will change from PROG to the
assigned menu item.
E. Repeat steps A – D as required for other Pan displays. Press the PRINCE
CASTLE LOGO button to exit the Program Mode.
NOTE: A pan may be set as “not used” by assigning “- - - -” as its product.
C. Press the UP or DOWN Arrow
button to scroll to the desired
menu item.
D. Press the ENTER button
to select the menu item.
1
NOTE: Setting a pan to a particular product will automatically change the other pan in that
To shut down the unit,
turn the Power On/Off switch (A) to OFF position.
2
WARNING:
Before performing any maintenance, turn the
power switch to the OFF position and unplug
the power cord from the electrical receptacle.
Setting Product Location
Cleaning
(A)
CAUTION:
This unit is not watertight. Do not clean with a water jet/jet spray.
Do not immerse the unit in water.
1. Turn the unit off and unplug the power cord from electrical receptacle.
2. Remove the pans and covers. Wipe all parts and unit with a damp cloth.
DO NOT use a green Scotch Bright pad cleaner, ice or water.

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Dedicated Holding Bin
EHB Series
The unit has multiple shelves, each with an upper and lower heater for each zone.
The heaters follow the default set points of the preset products for each pan
Use the instructions below and the following steps to set the set point temperatures for each heater.
UPPER SHELF LED
This LED will be lit to indicate upper shelf is selected.
PROG LED
This LED will be lit to indicate unit is in Program Mode.
LOWER SHELF LED
This LED will be lit to indicate lower shelf is selected.
ACTUAL TEMP BUTTON and LED
Press to display actual temperature for the
selected heater. LED will be lit when actual
temperature is displayed.
SETPOINT BUTTON and LED
Press to display set point temperature of a
selected heater. LED will be lit when set point
temperature is displayed.
TEMPERATURE DISPLAY
A, B, C, D ( E, F ) = ZONES
Upper and Lower Heater
UP/DOWN ARROW BUTTONS
Used with other Buttons to scroll through heater
and temperature selections.
PRINCE CASTLE LOGO BUTTON
Press to enter temperature selections.
CAUTION:
DISPLAYED TEMPERATURES
ARE HEATER TEMPERATURES
AND DO NOT INDICATE ACTUAL
FOOD TEMPERATURES.
NOTE: To reset all calibrations to the factory set-
tings, turn the unit off, then press and hold the UP and
DOWN Arrow buttons simultaneously while turning the
unit back on. A “P” will appear in the display and all
calibrations will be reset to original factory settings.
Setting the Temperature
The SET PRODUCT TEMP menu is used to change the Hold and Cook-More times.
Press and hold the PRINCE CASTLE LOGO button, then immediately press and hold the ENTER button until the display shows one of six
programming menus…..(hold for about 5 seconds)
Use the UP or DOWN Arrow button to scroll to the PROD BURG ↑ ↓ ENTR (Set Product Temperature) menu.
1
2Press the ENTER button to enter the programming menu, the display should then read SEL TEMP XXXX ↑ ↓ . The XXXX is where the
product abbreviation is displayed. Use the black UP and DOWN arrows to navigate to the desired product.
3Press the ENTER button to select that product profile to update, the display will read SET UPR XXXX ###s↑ ↓ the XXXX is where
the product abbreviation is displayed, and ### is the temperature. Use the UP and DOWN arrows to set the temperature of the
upper heater of that zone. Confirm set point by pressing ENTER

Printed in USA 12/16 © 2016 8540-539-EN
Dedicated Holding Bin
EHB Series
Setting the Temperature (Continued)
4The display will now show SET LWR XXXX ###s ↑ ↓. Use the UP and DOWN arrows to set the temperature of the Lower heater of that zone.
Press ENTER to confirm setpoint temperature.
5Press PRINCE CASTLE LOGO BUTTON to save the setpoints. Repeat steps 2-5 for all necessary profile upgrades.
Calibrating Heaters
1Use the following steps to calibrate the individual heaters
Press the UP or DOWN Arrow button
until the desired shelf LED and upper
or lower heater is selected.
NOTE: Allow sufficient amount of time
for temperatures to stabilize before
starting calibration. (approx. 30 mins.)
2Take a temperature reading within the shelf near
the center of each heater surface.
NOTE: Use an independent
Temperature meter (not supplied).
WARNING: HOT SURFACES
Use caution when taking
temperature readings
within the shelf.
Press and hold the PRINCE CASTLE LOGO and ACTUAL TEMP
buttons for 5 seconds. The colon (:) LED indicator will light.
The temperature displayed is the actual heater temperature
sensed by the controller. To clear any offset readings,
press the SETPOINT button.
3
4Press the UP or DOWN Arrow button until the temperature
displayed matches the reading obtained in Step 2.
Press the PRINCE CASTLE LOGO button to save the
temperature value and exit the Calibration Mode.
Selecting Day Part
Press and hold the SETPOINT button
and the DOWN Arrow button for
3 seconds, the current day part will
begin flashing on the screen.
Use the up/down arrows to select day
part 1 through 3 and the Prince Cas-
tle Crown button to confirm your
selection.
NOTE: Whenever a bin is powered
ON it defaults to DAY PART 1 no
matter what time of day it is.
1
NOTE: Setpoints are displayed on the front display board, and should be updated according to the product at this point.

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Dedicated Holding Bin
EHB Series
Changing the Hold and Cook-More Times
1The SET PRODUCT TIME menu is used to change the Hold and Cook-More times.
Press and hold the PRINCE CASTLE LOGO button,
then immediately press and hold the ENTER button until the display shows one of six programming menus.
Use the UP or DOWN Arrow button to scroll to the PROD TIME ↑ ↓ ENTR (Set Product Time) menu.
2Press and release the ENTER button to enter the Set Product Time menu. The display will show EGGS TIME ↑↓ ENTR.
Use the UP or DOWN Arrow button to scroll through the list of products.
When the desired product is displayed, press the ENTER button to select it.
NOTE: Holding the UP or DOWN Arrow button for longer than 2 seconds will cause the product list to automatically scroll up or
The display will show 240 ↑↓ ENTR.
3
Use the UP or DOWN Arrow button to scroll to the desired Hold time. When the desired Hold time is displayed, press the ENTER
button to save the desired Hold time.
NOTE: Hold time cannot be reduced to less than the Cook-More time plus one minute. NOTE: All times are displayed in minutes
only. For example, 2 and half hours is displayed as 150.
4The display will show COOK 30 ↑ ↓ ENTR.
Use the UP or DOWN Arrow button to scroll to the desired Cook-More time. When the desired Cook-More time is displayed, press the
ENTER button to save it.
NOTE: Cook-More time cannot be increased to more than the Hold time, minus one minute.
5The display will show EGGS TIME ↑ ↓ENTR. Repeat Steps 2 – 4 for any other product.
Press and release the PRINCE CASTLE LOGO button at any time to exit the Program Mode and return to the Run Mode.
NOTE: If the ENTER button has not been pressed to save any changes, the program will revert to the original values.

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Dedicated Holding Bin
EHB Series
Changing Product Names
The EDIT PRODUCT NAME menu is used to change a default product name to one of your own choosing.
Press and hold the PRINCE CASTLE LOGO button,
then immediately press and hold the ENTER button until the display shows one of six programming menus.
Use the UP or DOWN Arrow button to scroll to the PROD NAME ↑ ↓ ENTR (Edit Product Name) menu.
1
2Press and release the ENTER button to enter the Edit Product Name menu.
Use the UP or DOWN Arrow button to scroll through the list of products.
When the desired product is displayed, press the ENTER button to select it.
The first letter (in this case, the E ) will start blinking.
3To change the blinking E, use the UP or DOWN Arrow button to scroll to the desired letter/number/symbol.
When the desired selection is displayed, press the PAN Arrow button to move to the next digit. Repeat for all digits.
NOTE: Holding the UP or DOWN Arrow button for longer than 2 seconds will cause the display to automatically
When all four digits have been changed, press the ENTER button to select the new name.
4
The display will show PROD NAME ↑↓ ENTR. Repeat Steps 2 – 4 for any other product.
Press and release the PRINCE CASTLE LOGO button at any time to exit the Program Mode and return to the Run Mode.
NOTE: If the ENTER button has not been pressed to save any changes, the program will revert to the original names.
5
...
NOTE: The default menu items and names are listed on page 13.

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Dedicated Holding Bin
EHB Series
Changing Temperature Scale
The SET F/C menu is used to change the temperature scale.
Press and hold the PRINCE CASTLE LOGO button,
then immediately press and hold the ENTER button until the display shows one of six programming menus.
Use the UP or DOWN Arrow button to scroll to the SET F/C XXXX ↑ ↓ ENTR (Edit Product Name) menu.
1
Press the ENTER button to enter the menu.
Bar will display SET DEGR F/C ↑ ↓ ENTR and either the F or C will be blinking.
2
Use the UP and DOWN arrows to select the desired temperature mode (the selected mode will blink)
Press the ENTER button to confirm the selection. Press the PRINCE CASTLE LOGO button to save the setting.
Adjusng Alarm Volume
The SET VOLUME menu is used to change the alarm volume.
Press and hold the PRINCE CASTLE LOGO button,
then immediately press and hold the ENTER button until the display shows one of six programming menus.
Use the UP or DOWN Arrow button to scroll to the SET VOL ↑ ↓ ENTR (Set Volume) menu.
1
NOTE: Only applicable in stand-alone mode when not connected to Product Management system.
1
A mer alarm is included to sound aer a hold mer is complete. The volume is adjustable from level 0 to 3.
Once the menu is on the bar, press ENTER . Scroll to the desired volume seng and press ENTER to accept.

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Dedicated Holding Bin
EHB Series
Choosing a Language
The SET LANGUAGE menu is used to change the language between English and French.
Press and hold the PRINCE CASTLE LOGO button, then immediately press and hold the ENTER button until the display shows one of six
programming menus.
Use the UP or DOWN Arrow button to scroll to the SET LANG ↑ ↓ ENTR (Set Language) menu.
1 1
2Use the black arrow buons to select ENGLISH or FRENCH
Press the ENTER buon when desired language is selected. Press the Prince Castle buon to exit the sengs menu.

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Dedicated Holding Bin
EHB Series
Default Menu Items
Zones
All bin configurations are set up with zones,
which correspond to a set of heaters that
work together to hold the product. A single
product can be programmed into each zone.
The timer bars are equipped with this
knowledge. If the product in one slot of a
zone is changed, the other slot will automati-
cally change to that product as well.
2X2
2X4
4X2
Product Names Display Name Hold Time
(Minutes)
Cook-More
(Minutes)
Upper Temp Lower
Temp
English French English French FCFC
Group 1
Eggs Oeufs EGGS OEUF 240 30 195 91 175 79
Bacon Bacon BACN BAC 180 15 195 91 175 79
Veggies Legumes VEG LEG 240 15 195 91 175 79
Sausage Saucisses SAUS SAU 240 30 195 91 175 79
Turkey Sausage Saucisse a la dinde TURK SAUD 240 30 195 91 175 79
Steak Steak STK STK 360 60 195 91 175 79
Pasta Pates PSTA PATE 240 60 195 91 175 79
Pork Porc PORK PORC 360 60 195 91 175 79
Ham Jambon HAM JAMB 120 15 195 91 175 79
Group 2
Chicken Strip Lanieres de poulet CHKS POUL 360 60 200 93 180 82
Group 3
Crispy Chicken Poulet Crousllant CCHK PCRO 120 30 265 129 275 135
Hash Brown Galee de Pommes de Terre HSBR GLPT 120 30 265 129 275 135
Potato Wedge Pomme de Terre le morceau PWGE PAQT 90 30 265 129 275 135

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Dedicated Holding Bin
EHB Series
Troubleshoong
Problem Probable Cause Solution
No Power
Power switch is turned off,
Power cord is not plugged in.
Turn power switch to ON position,
Ensure power cord is connected
to proper receptacle
Unit will not heat up Wrong power cord, loose connection on
power switch and/or heater
CALL TECH SUPPORT
1-800-722-7853
Unit heats up but timer
bars do not work
Timer bar wiring disconnected,
timer bar is defective
CALL TECH SUPPORT
1-800-722-7853
Unit under/over heats Check temperature settings
CALL TECH SUPPORT
1-800-722-7853
Display flashes OPN and
REL Open relay, circuit or heater inoperable
CALL TECH SUPPORT
1-800-722-7853
Display flashes SHR and
REL
Shorted relay, circuit inoperable,
open heater, unplugged ribbon cable
CALL TECH SUPPORT
1-800-722-7853
Display shows HHH for
extended period and heat-
er surface temperature is
hot
Temperature is above 300 F (149 C),
Abnormal operation
CALL TECH SUPPORT
1-800-722-7853
Display shows HOLD
Only displayed on a 3X4 Bin display
board, when the operator changes the bin
address or during calibration
HOLD message means the 2 PC
boards in the bin are com-
municating, wait until
the message disappears
Display shows WAIT When in stand alone mode and the oper-
ator makes change to the product profile Wait until the message disappears
Display shows INIT When switching from Kitchen Minder
to stand alone mode
Bin is learning Kitchen Minder menus,
wait for message to disappear
Timer bar displays
COMM DOWN
Bin is not communicating with
Kitchen Minder Refer to Kitchen Minder setup manual
For all technical support in North America, please contact PRINCE CASTLE LLC 1-800-722-7853
For technical support worldwide, contact your local service representative / installer.
WARNING: To avoid personal injury and possible damage to the unit, troubleshooting and repair of electrical equipment
should be performed by qualified service personnel. This unit should be unplugged when servicing. Except when electrical
tests are required. Use extreme caution during electrical circuit tests as live circuits may be exposed.

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Dedicated Holding Bin
EHB Series
DIAGNOSTICS
For all diagnostic messages on the holding bin, the message will appear on the timer bar located at the pan that is triggering the message.
The message is a two-word message that will cycle through on the timer bar in addition to the product name at that pan location.
1. WARM | UP | XXXX – When turning on holding bin the warm up message will appear until heaters reach within 15°F set point.
a. Cleared when within 15°F of the set point.
2. HTR | OFF | XXXX – Heater off message appears when both the upper and lower heaters are off.
a. Cleared when heater is turned on.
3. HTR | LOW | XXXX – Heater low appears if the temperature falls 15°F below the set point.
a. Cleared when temperature is back in range. If not cleared, would require a service technician to repair.
4. HTR | HIGH | XXXX – Heater high appears if the heater is above 285°F for 20 minutes.
a. Cleared when temperature is back in range. If not cleared, would require a service technician to repair.
5. RLY | SHRT | XXXX – Relay short error occurs when there is a thermocouple or heater problem.
a. Bin requires service to further troubleshoot and repair.
6. RLY | OPEN | XXXX – Relay open error occurs when there is a thermocouple or heater problem.
a. Bin requires service to further troubleshoot and repair.
7. COMM | DOWN | XXXX – Communication down error occurs when the temperature data is not being properly communicated.
a. Check that the Kitchen Minder/Visor/Sicom system is connected properly. Requires service technician to troubleshoot.
USB Update Procedure
1. First, un-plug any communication cables from the holding bin. These devices will interfere with the timer bar boot loading process.
2. Place the update files on the USB flash drive in the main directory (Do not put them in a folder on the flash drive). There are five files that you will need to put
on the drive. Two for the controller board, mainbin.hex and DHBFWBIN.TXT. Three for the timer bars, mainbar.hex, auxbar.hex and DHBFWBAR.TXT.
3. Once all files are on USB drive, turn power off to bin and place the USB drive with the files into USB port on the front of the bin.
4. While holding down “Prince Castle” button on front right side of the bin, above the power switch, turn the power to the bin on.
5. Keeping the “Prince Castle” button pressed, wait for the “BL” (boot load) message to appear on the screen. Release the button approx. 5 seconds after the “BL”
message appears or once the USB stick light begins to flash.
6. Wait for the display to show:
a. (blank while upgrading main bin firmware) e. BL00 (0 timer bars left to upgrade)
b. BL00 (searching for timer bars to upgrade) f. BN02 (2 timer bars detected and done with programming)
c. BL02 (2 timer bars left to upgrade) g. Confirm the upgrade of timer bars by pressing the
d. BL01 (1 timer bar left to upgrade) Prince Castle logo button and down button on timer bar.
7. You can check the version number on the timer bars by pressing the Prince Castle logo button and the down button on timer bar.
Diagnoscs

Printed in USA 12/16 © 2016 16 540-539-EN
Dedicated Holding Bin
EHB Series
Wiring Diagrams
This Wiring diagram is used in all configurations
Heaters and Thermocouples go top to boom, starng at #1 top heater and going to #4the very
boom heater.
HTR#1 HTR#2 HTR#3 HTR#4
TC#1 TC#2 TC#3 TC#4
USB
DISPLAY BOARD
RIBBON CABLE
FRONT BTM BAR
BACK BTM BAR
FRONT TOP BAR
BACK TOP BAR
SPEAKER
ETHERNET

540-539-EN 17 Printed in USA 12/16 © 2016
Dedicated Holding Bin
EHB Series
Exploded View
ITEM
NO.
PART
NUMBER DESCRIPTION
ITEM
NO.
PART
NUMBER DESCRIPTION
ITEM
NO.
PART
NUMBER DESCRIPTION
1197-232S FOOT (4 PACK) 75510-256S BB 4CH AUX 13 78-184S POWER SWITCH
21540-1233S HTR, BOTTOM SHELF, LOWER 8540-1158S LATCH, CATCH 14 95-1819S USB CORD
32540-1234S HTR, BOTTOM SHELF, UPPER 9540-1251S LID (4 PACK) 15 540-1248S CONTROL BOARD
43540-1235S HTR, TOP SHELF, LOWER 10 540-1301S PAN STOP 2 WIDE
54540-1236S HTR, TOP SHELF, UPPER 11672-200-30S POWERCORD
6510-254S BB 4CH MAIN 12 541-1394S OVERLAY, DISPLAY
1) For CE use 540-1107S HTR, BOTTOM SHELF, LOWER 4) For CE use 540-1120S HTR, TOP SHELF, UPPER
2) For CE use 540-1109S HTR, BOTTOM SHELF, UPPER 5) AUX Timer Bar (510-256S) only used in EHBTH22A & EHBTH22ACE
3) For CE use 540-1111S HTR, TOP SHELF, LOWER 6) Use Power Cord 72-404S for EHBTH22CE & EHBTH22ACE
1
2
3
4
5
6
8
9
10
11
13 12 14 15
EHBTH22

Printed in USA 12/16 © 2016 18 540-539-EN
Dedicated Holding Bin
EHB Series
Exploded View
ITEM
NO.
PART
NUMBER DESCRIPTION
ITEM
NO.
PART
NUMBER DESCRIPTION
ITEM
NO.
PART
NUMBER DESCRIPTION
1197-232S FOOT (4 PACK) 71510-271S BB 8CH AUX 13 78-184S POWER SWITCH
2540-1072S HTR, BOTTOM SHELF, LOWER 8540-1158S LATCH, CATCH 14 95-1819S USB CORD
3540-1226S HTR, BOTTOM SHELF, UPPER 9540-1251S LID (4 PACK) 15 540-1254S CONTROL BOARD
4540-1224S HTR, TOP SHELF, LOWER 10 540-1302S PAN STOP 4 WIDE
5540-1222S HTR, TOP SHELF, UPPER 11272-476S POWERCORD
6510-270S BB 8CH MAIN 12 541-1394S OVERLAY, DISPLAY
1) AUX Timer Bar (510-271S) only used in EHBTH24A & EHBTH24ACE
2) Use Power Cord 72-404S for EHBTH24CE & EHBTH24ACE
EHBTH24
1
2
3
4
5
6
8
9
10
11
13 12 14 15

540-539-EN 19 Printed in USA 12/16 © 2016
Dedicated Holding Bin
EHB Series
Exploded View
ITEM
NO.
PART
NUMBER DESCRIPTION
ITEM
NO.
PART
NUMBER DESCRIPTION
ITEM
NO.
PART
NUMBER DESCRIPTION
1197-232S FOOT (4 PACK) 71510-282S BB 4CH AUX 13 78-184S POWER SWITCH
2540-1107S HTR, BOTTOM SHELF, LOWER 8540-1158S LATCH, CATCH 14 95-1819S USB CORD
3540-1109S HTR, BOTTOM SHELF, UPPER 9540-1251S LID (4 PACK) 15 540-1308S CONTROL BOARD
4540-1111S HTR, TOP SHELF, LOWER 10 540-1301S PAN STOP 2 WIDE
5540-1120S HTR, TOP SHELF, UPPER 11272-476S POWERCORD
6510-281S BB 4CH MAIN 12 541-1394S OVERLAY, DISPLAY
1) AUX Timer Bar (510-282S) only used in EHBTH42A & EHBTH42ACE
2) Use Power Cord 72-404S for EHBTH42CE & EHBTH42ACE
EHBTH42
1
2
3
4
5
6
8
9
10
11
13 12 14 15
10
5
4
6