D8 Series User’s Guide
176
TO alarm code 64
TR alarm code 64
troubleshooting 136
alarms 137
all loops are set to manual 0% 139
Battery Dead alarm 140
check these things first 136
control mode switches unexpectedly 139
control outputs 144
digital inputs 31
,
digital outputs 30
,
display does not work 138
grounding problems 143
H/W error: Ambient alarm 141
H/W error: Gain alarm 141
H/W error: Offset alarm 141
keypad 132
,
low power alarm 140
process variable incorrect on display 138
,
RTDs 143
sensor inputs 142
TB18 144
TB50 144
thermocouples 143
unexpected behavior 139
TS alarm code 64
tuning control loops 90
tun message on loop display 63
,
V
voltage inputs
ranges 158
resistance 158
scaling resistors 34
,
wiring 34
W
Watchdog Inactivity Fault 135
weight
controller 153
TB50 156
Z
Zero Calibration 135