ƒ
ƒ
ƒ
ƒ
Fan running, RUN lamp fails to light when RUN pressed
P
Control board latched up.
Remedy
: press reset button on rear of Controller or switch off
and then on.
P
Blown mains input fuses in Controller.
Remedy
: check/replace as required with identically rated
fuses.
P
Blown mains input or fuse on pcb in Controller.
Remedy
: refer to Service Engineer.
ƒ
ƒ
ƒ
ƒ
Fan running, RUN lamp on. No automatic cooling/heating
P
If manual cooling or heating OK, then incorrect program
loaded, or controller latched up.
Remedy
: press reset button on rear on Controller and/or run
correct program from DeltaT.
P
If no manual cooling or heating - door interlock not operated.
Remedy
: close door and push door handles down until they
latch.
P
If no manual cooling and valve not clicking - faulty solenoid
valve.
Remedy
: Position Solenoid Valve Selector to the other valve
for the next run and call Service Engineer.
P
If no manual heating - thermal cutout has operated.
Remedy
: refer to Service Engineer.
P
If no manual cooling or heating - faulty door interlock switch.
Remedy
: refer to Service Engineer.
ƒ
ƒ
ƒ
ƒ
No manual cooling after pressing STOP (RUN lamp off), but
solenoid valve clicks.
P
No liquid-nitrogen supply due to Solenoid Valve Selector in
off position.
Remedy
: Position to either valve A or B.
4-2
Troubleshooting
Summary of Contents for Kryo 1060 Series
Page 1: ...Kryo 1060 180 380 OPERATOR S MANUAL...
Page 18: ...1 8 An Introduction to the Kryo1060...
Page 24: ...2 6 Installing the Kryo1060 System...
Page 34: ...4 4 Troubleshooting...
Page 40: ...A 6 Kryo1060 Specifications...
Page 42: ...B 2 Spare Parts...
Page 43: ......