Watlow Series D8 - Manual (Page 229)

Series D8 User’s Guide Index
Doc. 0600-3120-2000 Watlow Anafaze 211
TR alarm code 82
troubleshooting 157–176
alarms 159–161
all loops are set to manual 0% 162
Battery Dead alarm 163
check these things firs 157
control mode switches unexpectedly 162
control outputs 168
digital inputs 27, 152, 169
digital outputs 26, 153, 168
display does not work 161
grounding problems 167
H/W failure: Ambient alarm 165
H/W failure: Gain alarm 164
H/W failure: Offset alarm 164
keypad 152, 161, 166
low power alarm 163
process variable incorrect on display 161, 166
RTDs 167
sensor inputs 166
software 169
TB18 168
TB50 168
thermocouples 167
unexpected behavior 162
TS alarm code 82
tun message on loop display 80, 93
tuning control loops 115–117
U
UL, see agency compliance
under-temperature shutdown devices 8
V
voltage inputs
ranges 186
resistance 186
scaling resistors 30, 174
wiring 30
W
Watchdog Inactivity Fault 156
weight
Dual DAC 191
power supply 189
Serial DAC 193
TB50 181
wiring, see installation
Z
Zero Calibration 155