Manitowoc Multiplex N2Fusion, Service Manual

Page: 37 / 64

Part Number 020007115 06/27/2019 37
Section 5 Troubleshooting
POURING
If coffee does not pour out of taps items to check are;
1. Verify connections to keg and if coffee keg is empty. If
keg is empty follow replacement steps on page 24.
2. If keg has coffee check nitrogen level at nitrogen tank.
• If outlet pressure drops below 85 - 90 PSI or
tank volume is low replace tank and connect as
shown on page 18.
COFFEE DISPENSE SYSTEM
Beverage System Diagnostics
1. Is in line voltage is supplied?
2. Is Nitrogen supply sufficient, turned ON and connected
to the unit?
See “Nitrogen Installation/Replacement” on page
18
3. Is Nitrogen supply pressure to unit between 85 - 90
psi (.586 - .621 MPa, 586 - 621 kPa, 5.86 - 6.21 bar)? See
“System Pressures” on page 13
4. Is Regulator 1- Nitrogen Tank to Coffee Keg set to 16
psi +/- 2 psi (.110 MPa, 110 kPa, 1.10 bar)? See “System
Pressures” on page 13
5. Is Regulator 2- Nitrogen Tank to Nitrogenator set to 34
psi +/- 2 psi (.234 MPa, 234 kPa, 2.34 bar)? See “System
Pressures” on page 13
6. Is keg inserted in the cabinet and correctly connected
to the keg connectors? See “Kegs” on page 24
7. Has the unit been primed? See “Priming the System” on
page 25
8. Is the unit in an error state, Prime/Clean Button LED
continuously blinks? See “Error Code” on page 44