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CP1484, CP1485, CP1486, CP3484, CP3485, CP3486
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Data sheet V 1.00
1.1.15 Exchangeable fan
The CPUs do not require a fan. The Celeron 650 CPU can optionally be fitted with a fan. This
equips it for unrestricted use over the entire temperature range.
Changing the fan
1) Press in fan lock with thumb and pull out fan.
2) Insert new fan into CPU until the lock clicks into place.
1.1.16 Overtemperature shut-off
To prevent damage, a shut-off/reset is triggered when the CPU reaches 100 °C.
The following errors are entered in the log book:
Figure 11: X20 CPUs - tool-free fan replacement
Error number
Error description
9204
WARNING: System halted because of temperature check
9210
WARNING: Boot by watchdog or manual reset
Table 14: X20 CPU log book entries for overtemperature shut-off