Balboa, Warning, Low voltage – Balboa Water Group EL/VS 120V-240V User Manual

Page 19: Brown outs, Checking the system power input fuse

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19

LOW VOLTAGE

At Balboa, it’s been our experience that the majority of the
problems associated with electronic control systems are due
to low voltage.

BROWN OUTS

“Brown outs” can have an effect on the spa’s operation in
a variety of ways. The control panel may go blank, have
scrambled messages on the LCD, or only a few features
will function.

CHECKING THE SYSTEM POWER INPUT FUSE

Warning

These procedures are performed while the system is
powered up and running under peak loads. Be careful.

If your system uses 120V peripheral devices (below):

Measure between the white TB1 terminal and F5 power

input fuse on the side farthest away from the circuit
board edge (opposite the F5 silk screen). You should see
120 volts.
If the system is equipped with the additional F6 power

input fuse, measure F6 in the same manner. You should
also see 120 volts.

If your system uses 240V peripheral devices (below):

Measure between the red TB1 terminal and F5 power

input fuse on the side farthest away from the circuit
board edge (opposite the F5 silk screen). You should see
240 volts.
If the system is equipped with the additional F6 power

input fuse, measure F6 in the same manner. You should
also see 240 volts.
If you determine that there is no voltage at one or both

locations, then the system power input fuse(s) need to
be replaced. Only use a fuse of the same type and amp
rating when you replace any of these fuses.

Elite System

Measure fingers 5 and 6 of the circuit board. You should

see either 120V or 240V, depending upon the system
configuration.
If you determine that there is no voltage at fingers 5

and 6, then the system power input fuse needs to be
replaced. This fuse is located in the large fuse block
inside the system box. This configuration utilizes a 30A
time delay fuse.

If the system is getting the proper voltage

at TB1, but still doesn’t operate, then test for

a blown power input fuse.

RED AC

WHT AC

BLK AC

J32

J61 J62

J11

J66 J65

J15 J16 J25 J63 J64

J33 J34

J36

J37

J35

TB1

CLASS G FUSE 30A

F5

K4

Balboa

TORQUE

RANGE

FOR TB1:

27-30 IN. LBS.

HOT

BLACK

NEUTRAL

WHITE

HOT

RED

Terminal Block 1 & F5

Fuse on a VS500Z Board

TB1 Marking

on Board

F5 Fuse

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