Troubleshooting; Troubleshooting The Electrical System; Troubleshooting A Single Phase Panel - CUDA Series 2840 Operator's Manual

Maintenance

Troubleshooting

Troubleshooting The Electrical System

To troubleshoot the electrical system use the following
diagrams to eliminate the possibility of a blown fuse or
a bad connection, then refer to Testing Individual
Components to determine which component is causing
the problem.
DANGER: Keep water away from
DANGER
electric wiring or fatal electric
shock may result.
DANGER: Garder le d'eau à l'écart
de tout câblage électrique ou des
chocs électriques mortels
KEEP WATER
pourraient survenir.
SPRAY AWAY FROM
ELECTRICAL WIRING.
• Electrical troubleshooting should be performed
by qualified personnel only.
• Avoid contact with power leads, terminals and
fuses when power is connected.
• Disconnect power to machine before removing
fuses or other electrical components.

Troubleshooting a Single Phase Panel

Transformer
Primary
Fuses
Secondary
Fuse
Pump
Fuses
Pump
Contactor
Pump
Overload
Relay
30
Power
Junction
Block
Power
Power
Heater
Fuses
Power
Power
Cuda 2840 Operator's Manual 8.930-370.0 - AU
Measure Voltage Across
L1, and L2 Terminals on
ON
Junction Box
208 to 240V
Remove Primary Fuses;
Measure the Resistance
OFF
of Each
approximately 0 Ohms
Remove Secondar y
F u s e ; M e a s u r e t h e
OFF
Resistance
approximately 0 Ohms
Remove Heater Fuses;
Measure the Resistance
OFF
of Each
approximately 0 Ohms
Remove Pump Fuses;
Measure the Resistance
OFF
of Each
approximately 0 Ohms
E l e c t r i c a l Pa n e l i s
OK, Refer to Testing
Individual Components
Electrical Panel is OK,
C h e ck M a i n Pow e r
Disconnect
Fuse is Blown; Replace
Blown Fuse
S e c o n d a r y F u s e i s
Blown; Replace Fuse
One of the Heater Fuses
is Blown; Replace the
Blown Fuse
One of the Pump Fuses
is Blown; Replace the
Blown Fuse