Sub-Zero SZ-CR2 - Page 33

SZ-CR2 32
LED Indications
LED
Status
Description
Parameter
OFF
Light is OFF.
Ld, LSd
ON
Light is ON.
OFF
Controller in active mode.
Po
ON
Controller in standby (Power OFF)
mode.
OFF
If AL parameter is set to Disable.
If AL parameter is enabled and no fault.
AL
ON
Any fault is present:
Control Probe Fail / Door Open / HP1 /
HP2 / LP1 / LP2 / SPP1 / SPP2 / Ht / Lt
ON
Door Open fault.
do0, do1
ON
Control Probe Temperature and
Temperature related parameters in °C.
(If parameter CF is set to C)
CF
ON
Control Probe Temperature and
Temperature related parameters in °F.
(If parameter CF is set to F)
CF
RST
ON
Any fault is in Manual Reset:
HP1 / HP2 / LP1 / LP2
H31, H41, L31,
L41, H32, H42,
L32, L42
FLASHING
Any fault is in manual reset with
respective hardware is healthy.
Fault Messages:
Fault
Message
Fault Description
Parameter
Control Probe Temperature Fail Low
Control Probe Temperature circuit open or without
Probe, or Temperature is < -45.0⁰C/-49⁰F. (In Fault
Log Mode and on display)
-
Control Probe Temperature Fail High
Control Probe Temperature short circuit or
Temperature is > 70.0⁰C/158⁰F. (In Fault Log Mode
and on display)
-
Low Temperature fault (In Fault Log Mode and on
display)
P3