Troubleshooting
INSTRUCTION MANUAL AquaScat 2
11778E/1
69
9.2.
Replace fine-wire fuse
WORKSTEP
PROCEDURE
1.
Interrupt the service voltage to the pho-
tometer.
Section 5
2.
Loosen the five screws on the front cover
with a 7 mm key and remove the front
cover.
3.
Remove the old fine-wire fuse (circle)
from the base print (AQBasi) and replace
with a new one (type T2A).
4.
Carefully mount front cover and fasten
with the five screws.
Damage to the threaded inserts
in the housing due to excessive tight-
ening of the front cover screws:
Use a hex key without a T-handle to
tighten the screws of the front cover fin-
ger-tight (approx. tightening torque
1 Nm).
7 mm hex key
5.
The instrument can now be operated
again.
