Direct answer
For the Whirlpool WRS588FIHZ side-by-side refrigerator, door switches, Sabbath/display modes and one failed light module should be separated from total power loss. First, confirm cooling/power and test each door switch or mode according to the manual.
What this covers
- Whirlpool WRS588FIHZ side-by-side refrigerator (WRS588FIHZ)
- Whirlpool side-by-side refrigerator; full-height fresh-food and freezer compartments side by side.
- The specific fault this record addresses: lights or display do not work
What it does not cover
- ×The same symptom on a different Whirlpool product line, which has its own record and its own cited source
- ×An on-screen error code whose meaning has not been checked against this exact model's manual
- ×Live electrical, gas, sealed-system, internal battery-cell or structural repair — a technician boundary, not a self-service step
Differential
What actually causes this, and how to tell them apart
These are ordered by how often each one is the answer, not by how easy it is to try. The point of the middle column is that two causes producing the same headline symptom rarely produce the same detail — that detail is what tells you which one you have before you change anything.
- 1
The door switch has failed
What separates it The light in one compartment stays off, or stays on, while everything else works normally.
How to confirm A light stuck on is the more urgent version of this fault, because an LED assembly left on continuously in a closed compartment generates heat and can warm the compartment or damage the housing.
- 2
Sabbath or display-off mode is active
What separates it Lights and display are off while cooling continues normally, and no control responds as expected.
How to confirm Sabbath mode intentionally disables lights and display responses. Check the manual for this model's indicator and exit sequence — it is easy to activate accidentally.
- 3
The LED module has failed
What separates it One compartment's light is out while the door switch demonstrably works, or the light is dim or flickering.
How to confirm LED modules are usually replaced as a unit rather than as a bulb.
- 4
The display panel or its ribbon connection has failed
What separates it The display is blank or partially lit while cooling continues.
How to confirm Cooling continuing while the display is dead points at the display or its connection rather than the main power supply.
- 5
There is no power to the unit at all
What separates it No lights, no display, and no cooling — nothing at all.
How to confirm See no-power. This is a different problem from a dead display on a running refrigerator.
Before you touch a setting
Record this first — changing settings destroys the evidence
Every item below stops existing the moment a reset, re-pair or settings change is made. Written down first, they are what separates the causes above; recovered afterwards, they are guesswork.
- Whether cooling continues while the lights or display are out — this separates a minor fault from a power failure.
- Whether the light is off, stuck on, dim or flickering.
- Whether only one compartment is affected.
- Whether a Sabbath or display-off mode indicator is showing.
Confirm whether cooling is still running
ReversibleLights out with cooling normal is a minor fault; nothing at all is a power problem.
Check for Sabbath or display-off mode
ReversibleIt disables lights and display deliberately and is easy to activate by accident.
Press each door switch by hand and watch the light respond
ReversibleThis isolates the switch from the LED module.
Address a light stuck on promptly
ReversibleAn LED assembly running continuously inside a closed compartment adds heat and can damage its own housing.
Arrange service or replacement for a confirmed failed LED module or display
ReversibleLED modules are normally replaced as a complete unit.
Model-specific
What is true of this model and not of its siblings
Generic advice for the product line fails here. Each item below is a property of this specific model family that changes which of the steps above apply to you.
- Model scope
- WRS588FIHZ. Whirlpool side-by-side refrigerator; full-height fresh-food and freezer compartments side by side.
- Type — SIDE-BY-SIDE
- A large side-by-side Whirlpool fridge — freezer left, fridge right, full height each. Narrower compartments than a French door; wide items may not fit, which is the layout.
- Ice & dispenser
- In-door ice maker and external water/ice dispenser. Ice/water faults trace to the water line, EveryDrop filter and freezer temperature; the in-door ice maker/fill line is a common ice-fault spot.
- Cooling
- A warm fridge side is often a worn door gasket or blocked vents from the freezer side; clean the condenser coil underneath periodically.
- Symptom boundary
- This record covers Whirlpool WRS588FIHZ side-by-side refrigerator when it lights or display do not work. A different symptom on the same hardware, or this symptom on a different Whirlpool product line, has its own record with its own causes and its own cited source.
Stop boundary
When this stops being a self-service repair
Continuing past any one of these costs more than the repair saves — in safety, in warranty, or in evidence a technician needs.
- !Unplug before replacing any light module, and stop for heat, arcing or melted plastic around a light housing.
- !A light that stays on with the door closed is a genuine heat risk and should be dealt with rather than left.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Where the manufacturer's article stops. Whirlpool Product Help publishes this as "Control Panel Not Working - Side by Side Refrigerator". Whirlpool's own article for this symptom on this door style. Probed 2026-08-23: title-verified against a hard-404 control. What that article does not carry is the model boundary — it is written for a product line, and WRS588FIHZ is the scope applied here. Where a control label, terminal, indicator pattern or reset sequence differs on your unit, the manual for that exact model is the authority, not this page and not the article.
Exact questions
Common follow-ups
My Whirlpool WRS588FIHZ side-by-side isn't cooling and the coils feel hot.+
Warm coils are normal (the compressor rejects heat there), but a dirty condenser coil cannot shed heat, causing gradual warming. Vacuum the condenser coil (underneath or behind, per the manual) — this is the most-skipped fridge maintenance and a top cause of poor cooling. Also confirm the doors seal, the vents are not blocked, and there is clearance around the fridge for airflow. If it still will not cool, service the sealed system.
The light stays on when I close the door.+
That is a failed door switch, and it is worth dealing with promptly rather than living with. An LED assembly running continuously inside a closed compartment generates enough heat to warm the compartment and can damage its own housing over time.
My display went blank but the fridge is still cold.+
Cooling continuing means the main supply is fine, so this is the display or its connection rather than a power problem. Before assuming a fault, check for a Sabbath or display-off mode — both intentionally blank the display and are easy to activate by accident.
Does this answer apply to every Whirlpool model?+
No. It is scoped to WRS588FIHZ. Whirlpool side-by-side refrigerator; full-height fresh-food and freezer compartments side by side.
What should I record before troubleshooting light not working or display blank?+
Record the complete model identifier, exact message or indicator, software/firmware where visible, the operating stage and what still works.
Why is a factory reset not the first step?+
A reset can erase accounts, networks, maps, schedules or preferences without distinguishing light not working, display blank. The ordered checks preserve that evidence.
When should I stop and use qualified service?+
Unplug before replacing approved modules; stop for heat, arcing or melted plastic.
Answer for the exact device and software version shown above.