Reinstallation of the front covers (FR-A820-01870(37K) or higher, FR- A840-00930(37K) or higher) 1 (b) (c) (a) 2 3 Tighten Tighten Tighten Tighten Tighten Tighten 4 5 6 (a) Clip on the upper front cover as illustrated. Check that it is properly secured. (b) Tighten the screws on the lower part of the cover. (c) Attach the lower front cover using the screws. 7 8 Fully make sure that the front cover has been reinstalled securely. Always tighten the installation screws of the front cover. 9 10 37 2. INSTALLATION AND WIRING 2.2 Removal and reinstallation of the operation panel or the front covers NOTE