Chapter 12 Description of Parameter Settings|CFP2000 Series
12.1-06-25
Conditions is required to enable the bypass function
When Pr.06-82 is set to 1, there is one of two conditions as below.
(1) When operating at fire mode, there is error (as shown in the table below) and the fire alarm rings
according to the time setting of Pr.06-83, then the bypass function will be enabled. MFO bypass
indication will be ON.
(2) When operating at fire mode, there is an error on auto-reset and the number of time to
auto-reset remains zero or the fire alarm rings according to the time setting of Pr.06-83, then the
bypass function will be enabled. MFO bypass indication will be ON. If the auto rest is successful
before the bypass function is enabled, then the bypass delay counter will return to zero to wait
for next trigger.
Table 1: Error detection under Normal mode, Fire mode and Bypass function at Fire mode. (V
means detectable)
Code Error name
Normal
mode
Fire Mode
Enable bypass
function
1 Over current during Acceleration (ocA) V(RS) V(able to auto-reset) V
2 Over current during deceleration (ocd) V(RS) V(able to auto-reset) V
3 Over current during normal speed (ocn) V(RS) V(able to auto-reset) V
4 Ground Fault (GFF) V V(able to auto-reset) V
5 IGBT short circuit (occ) V(RS) V(able to auto-reset) V
6 Over current during Stop (ocS) V(RS) V(able to auto-reset) V
7 Over voltage during Acceleration (ovA) V(RS) V(able to auto-reset) V
8 Over voltage during deceleration (ovd) V(RS) V(able to auto-reset) V
9 Over voltage during normal speed (ovn) V(RS) V(able to auto-reset) V
10 Over voltage during Stop (ovS) V(RS) V(able to auto-reset) V
11 Low voltage during Acceleration (LvA) V Not-detectable Not-detectable
12 Low voltage during deceleration (Lvd) V Not-detectable Not-detectable
13 Low voltage during normal speed (Lvn) V Not-detectable Not-detectable
14 Low voltage during Stop (LvS) V Not-detectable Not-detectable
15 Input phase loss (OrP) V V(able to auto-reset) V
16 Over heat 1 (oH1) V V(able to auto-reset) V
17 Over heat 2 (oH2) V V(able to auto-reset) V
18 Thermister 1 open (tH1o) V V(able to auto-reset) V
19 Thermister 2 open (tH2o) V V(able to auto-reset) V
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