Table 4. Start Table (continued)
Symptom What You Should Do
The system does not remain powered on during a loss of
incoming AC voltage and has a UPS attached.
Go to AS/400 CPM/UPS Safety Manual and one of:
v AS/400 CPM/UPS User’s Guide (English, French, German,
Spanish, Italian)
v AS/400 CPM/UPS User’s Guide (Japanese, Korean,
Chinese, Simplified Chinese)
v AS/400 CPM/UPS User’s Guide (Portuguese, Turkish,
Danish, Dutch, Norwegian)
The secondary frame or unit does not power on. Go to “Cannot Power On Secondary Frame or Unit (No
SRC)” on page 42.
Cannot Power On System Unit (No SRC)
To correct the power-on problem, perform this procedure until you correct the
problem and you can power on the system.
The following steps are for the system unit, unless other instructions are given.
DANGER
To prevent power from switching on automatically during service procedures,
select manual or secure mode on the system unit control panel or disconnect
the cables that connect to J15 and J16 on the frame being serviced.
(RSFTD211)
1. Attempt to power on the system (see “Powering On and Powering Off the
System and Logical Partitions” on page 922). Does the system power on?
No Yes
↓ Go to step 16 on page 41 of this procedure.
2. Is the background light for the Data display on the control panel on or are
there any characters displayed on the control panel?
Note: The background light is a dim (yellow) light in the Data area on the
control panel.
No Yes
↓ Go to step 12 on page 41 of this procedure.
3. DANGER
Dangerous voltage being measured. (RSFTD005)
Perform the following:
a. Disconnect the mainline AC power cable from the customer’s AC power
outlet.
b. Use a multimeter to measure the AC voltage at the customer’s AC power
outlet.
Note: Some system models have more than one mainline AC power cable. For
these models, disconnect all the mainline AC power cables and measure
the AC voltage at all AC power outlets before answering the following
question.
Is the AC voltage from 200 V AC to 240 V AC ?
Power Problems
38
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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