STP-iS2207 Series Turbomolecular Pump 
 
MT-89E-001-C
Page 96 
5
SERIAL COMMUNICATION PROTOCOL 
Error message  Value    Error message  Value 
[System reservation]  66    [System reservation]  81 
[System reservation]  67    [System reservation]  82 
[System reservation]  68    [System reservation]  83 
[System reservation]  69    [System reservation]  84 
[System reservation]  70    [System reservation]  85 
[System reservation]  71    [System reservation]  86 
Aberrant Brake  72    [System reservation]  87 
Aberrant Accel  73    Overspeed 4  88 
[System reservation]  74    [System reservation]  89 
[System reservation]  75    [System reservation]  90 
Inordinate Current  76    WARNING: Pump Run Time Over
    91 
*1
 
[System reservation]  77    WARNING: Pump Overload      92 
*1
 
Serial Com. Fail      78 
*2
    [System reservation]  93 
[System reservation]  79    Other Warning 1 (C/U Restart)      94 
*1
 
[System reservation]  80    Other Warning 2 (FAN Warning)
    95 
*1
 
Table 25 - Error message values (continued) 
*1  CAUTION or WARNING message. It is not a state of failure. Refer to Section 7 for details. The STP pump will continue to 
operate after one of these messages is displayed. It is recommended that an application be designed with this in 
consideration. 
*2  When the setting value of serial communication timeout is 0, the error 78 is disabled (not detected).