Kval 990-H, Service Manual

Page: 93 / 104

Troubleshooting with the Status Light Panel
4-21
KVAL 990-H Service Manual
Troubleshooting with the Status Light Panel
The Status Light Panel is located on the Electrical Panel. All six lights are illuminated when the
system is in proper working order. The lights turn on in a sequence and will stop at the point
where a fault is first detected.
The sequence that the lights turn on are
as follows:
1.
Control Power (Amber)
2.
Overload Relay (Amber)
3.
E-Stop (Amber)
4.
Stop (Amber)
5.
Start (Amber)
6.
24VDC (Green)
If one or more lights are OFF, follow the process below to isolate the cause.

NOTE : Be sure to proceed down the table, starting with the CONTROL POWER light.
STEP 1:Control Power (Amber). If light is OFF go to item
A
on page 4-22 .
STEP 2:Overload Relay (Amber) If light is OFF go to item
B
on page 4-23 .
STEP 3:E-Stop (Amber) If light is OFF go to item C on page 4-23 .
STEP 4: Stop (Amber) If light is OFF go to item
D
on page 4-23 .
STEP 5: Start (Amber) If light is OFF go to item E on page 4-24 .
STEP 6: 24VDC (Green light is OFF go to item
F
on page 4-24 .