IBM System x3300 M4, Installation And Service Manual, Page: 195 / 470

Table 18. IMM2 error messages (continued)
v
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v
If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
80010202-0701xxxx Numeric sensor
Planar 3.3V going
low (lower critical)
has asserted. Error A lower critical
sensor going low
has asserted. (Trained technician only)
1. For the hot-swap power-supply
systems, replace Power Paddle
Card.
2.
For the fixed power-supply systems,
replace the power supply.
3. Replace System board (see
“Removing the system board” on
page 428 and “Replacing the system
board” on page 430).
80010902-0701xxxx Numeric sensor
Planar 5V going high
(upper critical) has
asserted. Error An upper critical
sensor going high
has asserted. (Trained technician only)
1. For the hot-swap power-supply
systems, replace Power Paddle
Card.
2. For the fixed power-supply systems,
replace the power supply.
3.
Replace System board (see
“Removing the system board” on
page 428 and “Replacing the system
board” on page 430).
80010202-0701xxxx Numeric sensor
Planar 5V going low
(lower critical) has
asserted. Error A lower critical
sensor going low
has asserted. (Trained technician only)
1. For the hot-swap power-supply
systems, replace Power Paddle
Card.
2. For the fixed power-supply systems,
replace the power supply.
3. Replace System board (see
“Removing the system board” on
page 428 and “Replacing the system
board” on page 430).
80010902-0701xxxx Numeric sensor
Planar 12V going
high (upper critical)
has asserted. Error An upper critical
sensor going high
has asserted.
1. Check power supply n LED.
2. Remove the failing power supply.
3. (Trained technician only) Replace
the system board.
( n = power supply number)
Chapter 4. Troubleshooting
177