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Model reference

GE ZIS420NKB

Refrigerator

12 documents30 error codes16 service modes

Available documentation

Service Manual

  • GE Monogram Inverter Compressor Side-By-Side Refrigerators Technical Service Guide63 pg
    Covers this model
  • GE Refrig Ziss420driss Mini Manual 31 51559 MONOGRAM ZIS420D2 pg
    Covers this model
  • GE Monogram Side-By-Side Refrigerators With Electronic Controls Technical Service Guide72 pg
    Covers this model
  • TECHNICAL SERVICE GUIDE Monogram Inverter Compressor Side-By-Side Refrigerators63 pg
    Covers this model
  • TECHNICAL SERVICE GUIDE - Monogram Inverter Compressor Side-By-Side Refrigerators63 pg
    Covers this model
  • GE Appliances Technical Service Guide - Monogram® 36" 42" 48" Built-In Side By Side Refrigerators75 pg
    Covers this model

Bulletin

  • Service Bulletin - Refrigerators Monogram Side-by-Side Light Switch Replacement1 pg
    Covers this model
  • Monogram Side by Side Dispenser Models Auger Motor Stalling1 pg
    Covers this model
  • GE Monogram Refrigerators - Service Bulletin2 pg
    Covers this model

Training

  • TECHNICAL SERVICE GUIDE Monogram Side-By-Side Refrigerators With Electronic Controls72 pg
    Covers this model
  • TECHNICAL SERVICE GUIDE - Monogram Side-By-Side Refrigerators With Electronic Controls65 pg
    Covers this model
  • Built-in SXS Refrigerators Icemaker Operation and Diagnosis Training Bulletin TB06-17 Rev 11 pg
    Covers this model
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Error codes (30)

CodeMeaning
0001FF1 thermistor reading out of range.0002FF2 thermistor reading out of range.0003FZ thermistor reading out of range.0004FZ evaporator thermistor reading out of range.0008Ambient temperature thermistor reading out of range.0013Quick Chill thermistor reading out of range.0100FZ fan feedback missing when the fan is running.0101FZ fan feedback present when fan is off.0102FZ fan cannot reach target speed.0200FZ defrost heater timed out (check FZ evaporator thermistor fault code 0004).02025 consecutive FZ abnormal defrosts.0300Compressor ran continuously for 24 hours.0301Temperature satisfied greater than 3 hours with no compressor operation.0302FF temperature below freezing.0303FF temperature exceeds 20°F over setpoint, 1 hour post defrost or door opening.0304FZ temperature exceeds 20°F over setpoint, 1 hour post defrost or door opening.0307Damper driver fault (not available on some software versions).0401Dispenser paddle switch pressed for more than 7 minutes.0403Mainboard software fault.0404Mainboard hardware fault.0654FZ icemaker no water supply detected.0700Stuck keys on dispenser boards.0701Stuck keys on internal temperature board.0703Key press on temperature board while door is closed.0713FF door open for 15 minutes continuously.0714FF door open for 60 minutes total in the last 24 hours.071550 FF door openings in the last 24 hours.0717FZ door open for 15 minutes continuously.0718FZ door open for 60 minutes total in the last 24 hours.071950 FZ door openings in the last 24 hours.

Service modes (16)

  • 100_percent_run_timeIn diagnostic mode, enter freezer display 1 and fresh food display 2, then press any pad other than…
  • communication_check_dispenser_to_main_boardIn diagnostic mode, enter freezer display 0 and fresh food display 4, then press any pad other than…
  • communication_check_temp_control_to_dispenserIn diagnostic mode, enter freezer display 0 and fresh food display 3, then press any pad other than…
  • communication_check_temp_control_to_main_boardIn diagnostic mode, enter freezer display 0 and fresh food display 2, then press any pad other than…
  • control_and_sensor_system_self_testIn diagnostic mode, enter freezer display 0 and fresh food display 7, then press any pad other than…
  • dampers_testIn diagnostic mode, enter freezer display 1 and fresh food display 0, then press any pad other than…
  • defrost_testIn diagnostic mode, enter freezer display 1 and fresh food display 4, then press any pad other than…
  • degree_c_f_toggleIn diagnostic mode, enter freezer display 1 and fresh food display 7, then press any pad other than…
  • diagnosticPress both the freezer temperature pads (plus and minus) and the refrigerator temperature pads…
  • Diagnostic ModePress both freezer temperature pads (+ and -) and the refrigerator temperature pads (+ and -)…
  • dispenser_recess_heater_testIn diagnostic mode, enter freezer display 0 and fresh food display 9, then press any pad other than…
  • hmi_self_testIn diagnostic mode, enter freezer display 0 and fresh food display 6, then press any pad other than…
  • main_control_resetIn diagnostic mode, enter freezer display 1 and fresh food display 5, then press any pad other than…
  • open_duct_door_testIn diagnostic mode, enter freezer display 0 and fresh food display 8, then press any pad other than…
  • pre_chill_testIn diagnostic mode, enter freezer display 1 and fresh food display 3, then press any pad other than…
  • showroom_modeIn diagnostic mode, enter freezer display 0 and fresh food display 1, then press any pad other than…

Full entry steps, exit procedures, and test sequences are available in Max.

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