Responding to System Alarms
6-16 Force FX-8C Service Manual
Number Description Recommended Action
206
207
Software malfunction. doserr_test_state
value in st_m_doserr_test outside state
range
Software malfunction. doserr_test_state
value in st_fb_doserr_test outside state
range
Turn off, then turn on the generator. If the alarm number
reappears, record the number and call the Valleylab Service
Center.
208
209
Main microcontroller timer interrupt failed
Feedback microcontroller timer interrupt
failed
1. Replace the Control board. Refer to Control Board
Replacement in Section 7.
2. Calibrate the generator. Refer to Section 5 for instructions.
If the alarm number reappears, record the number and call the
Valleylab Service Center.
210
211
Software malfunction. data_type value
outside state range
Software malfunction. which_data value
outside state range
Turn off, then turn on the generator. If the alarm number
reappears, record the number and call the Valleylab Service Center
212 Generator not calibrated Refer to Correcting Battery-Backed RAM Malfunctions in this
section.
213 Internal diagnostics. Firmware not
compatible with hardware
Refer to Correcting IC U6 Malfunctions (steps 1–7) and Correcting
IC U3 Malfunctions (steps 4–11) in this section.
215 Internal diagnostics. Real-time clock chip
(U1) not compatible with firmware
1. Replace the Control board. Refer to Control Board
Replacement in Section 7.
2. Calibrate the generator. Refer to Section 5 for instructions.
If the alarm number reappears, record the number and call the
Valleylab Service Center.
216 Internal memory battery exhausted 1. Replace the battery. Refer to Battery Replacement in
Section 7.
2. Calibrate the generator. Refer to Section 5 for instructions.
If the alarm number reappears, record the number and call the
Valleylab Service Center.
220
221
Feedback microcontroller unable to access
KEY_REQ_SEM semaphore
Feedback microcontroller unable to access
GEN_SEM semaphore
Refer to Correcting IC U6 Malfunctions in this section.
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