Okuma Alarm-C 3740 Air filter clogged
The filter switch on the air panel kept OFF for 2 seconds or longer.
Code
None->The air filter is clogged.
1->The abso scale air filter is clogged. The clogged abso scale air filter/ signal kept OFF for 2 seconds or longer.
20->It was stopped up of an air dryer condition continued more than 3 seconds,at the time of output the air.
Probable Faulty Locations
1)Stopped up of the air dryer
2)Stopped up of the abso scale air filter
Measures to Take
1)Cleaning the air dryer.
2)Cleaning the abso scale air filter.