Hitachi ChromasterUltra Rs 6270 Instruction Manual page 117

(2) Cleaning of the leak sensor
Preparation: A hexagon wrench (P/N:N315003, Size:B2.5)
Leak Sensor Set Screw
Figure 5-3 Cleaning of the Leak Sensor
(a) Loosen the leak sensor set screw with the hexagon
wrench. Detach the leak sensor from the drain tray.
(b) Wipe up droplets on the leak sensor and the drain tray.
And attach the leak sensor on the drain tray again.
NOTE:
Avoid damage of the tip part of the leak sensor when
cleaning it. It may cause errors.
NOTE:
Attach the leak sensor in the right location to avoid errors.
5 - 11
Leak Sensor
Drain
5.2.5