IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 196

Table 4. SPCN Error Codes (continued)
Error Code Description
178
Service Guide
1011 7711 Missing CEC fan 1
1011 7720 Slow CEC fan 2
1011 7721 Missing CEC fan 2
1011 7730 Slow CEC fan 3
1011 7731 Missing CEC fan 3
1011 7740 Slow CEC fan 4
1011 7741 Missing CEC fan 4
1011 7750 Slow fan in CEC drawer power supply 1
1011 7751 Missing fan 5 in CEC drawer power
supply 1
Action/
Possible Failing FRU
1. Check the cabling to fan 1
Location: U1.1-F1. If no
problem is found with the
cabling, replace the fan.
Note: If the primary I/O drawer
planar has been replaced
recently, verify that the I/O type
is set correctly before changing
this fan. See "Power Control
Network Utilities Menu" on
389.
1. Fan 2
Location: U1.1-F2
2. CEC fan controller
Location: U1.1-X2
3. Power distribution card
Location: U1.1-X1
Fan 2
Location: U1.1-F2
1. Fan 3
Location: U1.1-F3
2. CEC fan controller
Location: U1.1-X2
3. Power distribution card
Location: U1.1-X1
Fan 3
Location: U1.1-F3
1. Fan 4
Location: U1.1-F4
2. CEC fan controller
Location: U1.1-X2
3. Power distribution card
Location: U1.1-X1
Fan 4
Location: U1.1-F4
1. CEC power supply 1
Location: U1.1-V1
2. CEC fan controller
Location: U1.1-X2
3. Power distribution card
Location: U1.1-X1
CEC drawer power supply 1
Location: U1.1-V1