Multiplex N2Mobile Dispenser Troubleshooting

Problem

Cause

Solution

Coffee not dispensing

• Product line not primed
• Product keg empty
• Keg connectors not connected
• Low nitrogen pressure/No nitrogen pressure
• Nitrogen supply tank empty
• Nozzle clogged
• In-line strainer/filter clogged
• Flow compensator, infuser or check valve clogged

• Open both plain and nitrogen taps and let flow to prime lines
• Change out the keg
• Check the keg connectors
• Open nitrogen tank valve, adjust pressure, or change nitrogen supply tank
• Change out nitrogen supply tank
• Remove and clean nozzle
• Clean filter
• Contact an authorized service technician

Coffee is watery

• Coffee not prepared correctly

• Change product keg with keg of correctly prepared coffee

Product flowing slowly from valve

• Nozzle clogged with debris
• Filter clogged with debris
• Nitro pressure gauge set incorrectly
• Flow compensator closed

• Remove and clean nozzle
• Remove and clean filter
• Make sure pressures set correctly
• Contact an authorized service technician

Product doesn’t look nitrogenated

• Nozzle doesn’t have diffuser installed

• Check if nozzles were reversed. Nozzle with diffuser disc should be on Nitro side of tower

Nitrogen supply tank off

• Turned off when tank swapped/installed
• Tank incorrectly shut off during keg change

• Check nitrogen tank
• Check nitrogen tank

Hissing sound coming from nitrogen tank

• Regulator nut leaking

• Tighten regulator nut or check for missing washer inside regulator nut

Puddle of product on floor

• Bottom catch pan missing
• Bottom catch pan full
• Missing or damaged o-rings

• Find catch pan and replace
• Empty and clean catch pan
• Install or replace o-rings as needed

Drip pan under taps has standing coffee

• Drip pan full

• Empty and clean drip pan

Foam dispensing from valve

• Cold brew temp above 45 degrees
• In-line strainer/filter clogged with debris

• Attach keg of cold brew chilled to below 45°F
• Clean filter

Keg connectors won’t go onto keg posts

• Incorrect connector
• Not pulling up on connector release ring while connecting

• Make sure IN connector is gray and OUT connector is black
• Pull up on ring around connector to allow it to slip over IN or OUT post and lock into place

Problem

Cause

Solution

Warm drinks

• Ice packs not frozen
• Too much warm product in cabinet
• Prolonged door openings or doors ajar
• Cabinet door not closing
• Door gasket torn or damaged

• Replace ice packs and replace warm product keg with chilled product keg
• Replace warm product keg with chilled product keg
• Check doors are closed when not in use
• Check door gasket clean, not damaged and installed correctly
• Replace door gasket

Leaking internally

• Check in-line filter bowl and o-ring
• Missing or damaged o-rings

• Depressurize unit and remove filter bowl to check
• Install or replace o-rings as needed