Figure 7.2 Showing PCB fasteners
7.2.2Replacing Fuses
1.Open the case (section 7.2.1).
2.The fuses can now be accessed. See Figure 7.3 for the location of the fuses on the power PCB.
Figure 7.3 Showing location of the fuses on power PCB
The four fuses have the following ratings:
MR850 Model Number | Supply Voltage | Fuse Type | Part Number |
MR850Axx | 230 V~ | F1: 1 A 250 V FastBlow | 999 830 001 |
|
| F2: 4 A 125 V FastBlow | 999 830 017 |
|
| F3: 2 A 250 V FastBlow | 999 830 009 |
|
| F4: 2 A 250 V FastBlow | 999 830 009 |
MR850Pxx | 127 V~ | F1: 1 A 250 V FastBlow | 999 830 001 |
|
| F2: 4 A 125 V FastBlow | 999 830 017 |
|
| F3: 3 A 250 V FastBlow | 999 830 012 |
|
| F4: 3 A 250 V FastBlow | 999 830 012 |
36 MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal)