User's Manual

55
8.OO troubleshooting
8.O1 Troubleshooting Table
Problem Cause Solution
1. Dead Unit - Power LED
not illuminated
a. No incoming main electrical power
• Check wiring from dish machine
• Check for power at dish machine connection
b. Disconnected cable between DMx main
board and power supply
• Have a qualified technician open the cabinet and restore
the connection
c. Damaged power supply or DMx main board
• Replace faulty components or units as needed
2. No detergent feed a. Unit is in Standby mode
• Ensure the unit is not in Standby mode (see page 20)
b. No detergent signal is being received
• Check signal wiring to the dish machine.
• Check that the dish machine is sending a signal
c. An incorrect signal
• Check DMx settings
d. Conductivity reading above setpoint value
(when in probe mode)
• Check conductivity probe setpoint value
• Clean or replace conductivity probe
e. Disconnected cable between DMx main
board and power supply
• Have a qualified technician open the cabinet and restore
the connection
f. Product drum is depleted
• Check the system for Out of Product or Low Detergent
Alarms
• Physically check and replenish empty containers
g. Damaged power supply or DMx main board
• Replace faulty components or units as needed
3. Excessive detergent
usage
a. Deposits on Conductivity probe (when in
probe mode) or faulty probe
• Check signal wiring to the dish machine
• Check that the dish machine is sending a signal
b. Wash tank drain stuck open
• Clear wash tank drain obstruction
c. Wash tank, tubing, or fittings are leaking
• Eliminate leaks in wash tank or delivery tubing/fittings
4. No rinse or sanitizer feed a. Unit is in Standby mode
• Ensure the unit is not in Standby mode (see page 20)
b. No rinse signal is being received
• Check signal wiring to the dish machine
• Check that the dish machine is sending a signal
c. Detergent signal did not occur within 90
seconds before rinse signal (when in Door
mode)
• Check detergent signal wiring
• Check DMx settings (e.g. Door Mode and Rinse on
Rinse)
d. Disconnected cable between DMx main
board and power supply
• Have a qualified technician open the cabinet and restore
the connection
e. Product drum is depleted
• Check the system for Out of Product or Low Detergent
Alarms
• Physically check and replenish empty containers
f. Faulty DMx main board
• Replace DMx Main board
5. Insufficient product
usage/delivery
a. Squeeze tube is worn and needs
replacement
• Replace squeeze tubes as needed
b. Product drum is depleted
• Check the system for Out of Product or Low Detergent
Alarms
• Physically check and replenish empty containers
6. DMx mobile application
cannot login
a. User credentials are invalid or not set up
correctly
• Check user login and password and retry
• Contact your Chemical Company Admin or Hydro
Technical Support to set up the user correctly
g. User is in an area without a connection AND
does not have a valid token to work offline
• Go to an area with a cellular or Wi-Fi connection and log-
in to get a validated token that allows you to work offline
WARNING: Electrical installation and maintenance should be completed by a qualified electrician. All local and
national electrical regulations are to be observed.
(continued)