Leer VM40, Installation, Operation And Service Manual

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Vending Trouble Shooting Table
Caution: Multiple Voltages- Check serial tag for main unit power. Vending parts are 12VDC. LED exterior lighting is 24VDC.
Disconnect main power before preforming service.
Trouble Possible Cause Corrective Measure
Card reader is not illuminated Setup mode on
power up
Turn switch to run mode and power cycle machine.
Card Reader
Loose Connection
Check connection behind card reader and in vend box.
No Power Check that the unit is plugged in and operating.
Doors not locking Emergency switch Check emergency entrapment switch located inside the merchandiser near or on the
light housing and switch to lock.
Failed magnets Check magnets using a screwdriver to see if the magnets are energized.
Magnet
adjustment
Visit http://www.leerinc.com/support/ videos for instructions.
Failed relay Check relay and connections in vend box.
Unit is not at
operating
temperature
Unit must be below 30 degrees before checking door locks. Press cancel on the card
reader to check internal and external temperature.
Door locks but has little holding force Door or magnet
not lined up
Look at the magnets from the side of the box. All three bars on the magnet surface
must align with the door lock block.
Poor door seal / ice around doors Magnet
adjustment
Visit http://www.leerinc.com/support/ videos for instructions.
No cell signal Cellular signal Press cancel to check signal strength. Recommend above -100dbm. Move antenna or
unit to a different location. -90dbm is better than -100dbm
Check antenna connections.
Unit is offline No ice Fill with ice.
Has ice but shows
0 bags
Adjust Tare value to show how many bags are in the unit. Press Enter and note Tare
and Net Weight before making any changes. In setup mode press the cancel button
until the Hardware icon is shown, press enter, press cancel repeatedly until Enter
Tare Wt is displayed on the screen and press enter, use cancel to change the value
and enter to move to the next digit. A higher Tare weight equals less bags and a
lower Tare weight equals more bags.
Missed sales Door sensor
magnets
Check door sensor magnets. In set up mode, hit cancel to the Hardware icon, press
enter, press cancel repeatedly until Test Door is displayed, press enter. With doors
closed the display should say closed. Then open each door to check sensor operation.
Press cancel when finished to lock doors. Return key to run mode.
Bag weight is not
consistent
System will work best when bags are +-.5 pounds of bag weight.
Door error code (DM01) Door open Close door.
Bad sensor Follow missed sales corrective measure to verify.
Card reader will not read credit card Bad card reader Check in setup mode, press cancel until the Hardware icon is displayed, press enter,
press cancel repeatedly until Test Card Reader is displayed, press enter and swipe a
credit card. If the card information is displayed the reader is working.
Load cell device error Damaged load
cell
Check for obvious damage to the load cell feet or cables.
Unit is not on the
ground
Skid plates must be on the ground and the unit must be removed from the shipping
skid.
Load cell
controller
Check load cell controller for power or unplugged connections in vend box.
Crown/Hourglass not illuminated Photo sensor Will only work in a dark environment.
Unit shows more or less ice than known inventory Unit Calibration Calibrate unit before putting it into service, after the unit is level and all feet are
touching the ground.
Adjust the Tare weight to closely match the bags in machine. See Corrective Measure
under Unit is off line / Has ice but unit shows 0 bags.
Tare WT 0 after power cycle or power failure Battery Check battery on Vend Controller for connection. Check battery voltage. Should be
close to 3 volts, replace if needed. If battery is removed you must check all settings
such as SGAI, Bag Weight and Bag Variance. Recalibrate machine and retest. Power
cycle and confirm settings saved.
Display shows Celsius for internal and external
temperature
Website Celsius or Fahrenheit is determined by weight measurement on the website. If unit is
set to KG it will show Celsius on the display.